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Finding the Fourth Proportional to 154,773.68, 231,757.32 and 84,508.88

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Solution

The fourth proportional to 154,773.68, 231,757.32 and 84,508.88 is: 126,543.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    154,773.68 : 231,757.32 = 84,508.88 : x
  2. Step 2: Convert to fraction form
    154,773.68/231,757.32 = 84,508.88/x
  3. Step 3: Cross multiply
    154,773.68x = 231,757.32 × 84,508.88
  4. Step 4: Simplify right side
    154,773.68x = 19,585,551,545.00
  5. Step 5: Solve for x
    x = 19,585,551,545.00/154,773.68
  6. Step 6: Final answer
    x = 126,543.17

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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.