Fillet up to an edge/point

Hi all, 

is it possible to make a fillet up to some edge or point??

On the picture there is an example - I have chamfer for example 10,5x45 and I want to make a fillet with same size (but without need of measuring the chamfer size). Is there some possibility to choose marked point as "up to" reference for making the fillet?? Than if I would change size of chamfer than fillet will change as well.

In another words I'm looking for same function as extrude's "up to"

thank you

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