Finding the Fourth Proportional to 112,944.08, 169,413.24 and 29,838.80
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Solution
The fourth proportional to 112,944.08, 169,413.24 and 29,838.80 is: 44,757.44
Step by Step Solution
- Step 1: Write the proportion equation
112,944.08 : 169,413.24 = 29,838.80 : x - Step 2: Convert to fraction form
112,944.08/169,413.24 = 29,838.80/x - Step 3: Cross multiply
112,944.08x = 169,413.24 × 29,838.80 - Step 4: Simplify right side
112,944.08x = 5,055,087,785.71 - Step 5: Solve for x
x = 5,055,087,785.71/112,944.08 - Step 6: Final answer
x = 44,757.44
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.