Finding the Fourth Proportional to 169,876.09, 234,414.97 and 98,260.75
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Solution
The fourth proportional to 169,876.09, 234,414.97 and 98,260.75 is: 135,591.72
Step by Step Solution
- Step 1: Write the proportion equation
169,876.09 : 234,414.97 = 98,260.75 : x - Step 2: Convert to fraction form
169,876.09/234,414.97 = 98,260.75/x - Step 3: Cross multiply
169,876.09x = 234,414.97 × 98,260.75 - Step 4: Simplify right side
169,876.09x = 23,033,790,763.43 - Step 5: Solve for x
x = 23,033,790,763.43/169,876.09 - Step 6: Final answer
x = 135,591.72
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.