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Finding the Fourth Proportional to 218,363.25, 327,545.03 and 60,591.86

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Solution

The fourth proportional to 218,363.25, 327,545.03 and 60,591.86 is: 90,887.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    218,363.25 : 327,545.03 = 60,591.86 : x
  2. Step 2: Convert to fraction form
    218,363.25/327,545.03 = 60,591.86/x
  3. Step 3: Cross multiply
    218,363.25x = 327,545.03 × 60,591.86
  4. Step 4: Simplify right side
    218,363.25x = 19,846,561,115.21
  5. Step 5: Solve for x
    x = 19,846,561,115.21/218,363.25
  6. Step 6: Final answer
    x = 90,887.83

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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.