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ScottBlanchard,
From your expanded description either there is a miscommunication or a misunderstanding.
It sounds like you are manually editing the timescale baseline work values for a task. A user should never manually update baseline values. The purpose of a baseline is to capture various data values of the original plan such that those values can be used to compare current schedule values (current reality) with the original plan (baseline). Unless there is a change in scope, the baseline for a plan should never change. Once a plan is developed, the baseline is set via Project > Schedule group > Set Baseline. As the plan is executed, work, actual work, and remaining work are updated to reflect what is actually happening (actual work) and what is expected to yet happen (remaining work). It sounds like you are incorrectly using baseline work in lieu of those metrics.
For reference, if a user does manually edit baseline timescale values, those values are NOT automatically updated at summary level. Project has always worked that way.
John