Quick, clean, and to the point

Select all dependents

Windows shortcut 
Mac shortcut 

This shortcut will select all cells with formulas that refer directly or indirectly to cells in the current selection.

Related videos

Tip: How to trace formula relationships
In this video, we look at how to quickly find formulas and trace relationships, using the concept of precedents and dependents. A great way to quickly understand an unfamiliar worksheet.