Finding the Fourth Proportional to 125,934.75, 173,789.96 and 69,346.13
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Solution
The fourth proportional to 125,934.75, 173,789.96 and 69,346.13 is: 95,697.65
Step by Step Solution
- Step 1: Write the proportion equation
125,934.75 : 173,789.96 = 69,346.13 : x - Step 2: Convert to fraction form
125,934.75/173,789.96 = 69,346.13/x - Step 3: Cross multiply
125,934.75x = 173,789.96 × 69,346.13 - Step 4: Simplify right side
125,934.75x = 12,051,659,943.17 - Step 5: Solve for x
x = 12,051,659,943.17/125,934.75 - Step 6: Final answer
x = 95,697.65
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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.