Finding the Fourth Proportional to 106,918.92, 160,382.46 and 47,755.08
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Solution
The fourth proportional to 106,918.92, 160,382.46 and 47,755.08 is: 71,634.44
Step by Step Solution
- Step 1: Write the proportion equation
106,918.92 : 160,382.46 = 47,755.08 : x - Step 2: Convert to fraction form
106,918.92/160,382.46 = 47,755.08/x - Step 3: Cross multiply
106,918.92x = 160,382.46 × 47,755.08 - Step 4: Simplify right side
106,918.92x = 7,659,077,207.90 - Step 5: Solve for x
x = 7,659,077,207.90/106,918.92 - Step 6: Final answer
x = 71,634.44
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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.