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Finding the Fourth Proportional to 610,543.62, 915,859.17 and 161,260.01

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Solution

The fourth proportional to 610,543.62, 915,859.17 and 161,260.01 is: 241,901.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    610,543.62 : 915,859.17 = 161,260.01 : x
  2. Step 2: Convert to fraction form
    610,543.62/915,859.17 = 161,260.01/x
  3. Step 3: Cross multiply
    610,543.62x = 915,859.17 × 161,260.01
  4. Step 4: Simplify right side
    610,543.62x = 147,691,457,767.97
  5. Step 5: Solve for x
    x = 147,691,457,767.97/610,543.62
  6. Step 6: Final answer
    x = 241,901.57

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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.