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Finding the Fourth Proportional to 60,371.68, 90,545.54 and 30,377.92

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Solution

The fourth proportional to 60,371.68, 90,545.54 and 30,377.92 is: 45,560.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,371.68 : 90,545.54 = 30,377.92 : x
  2. Step 2: Convert to fraction form
    60,371.68/90,545.54 = 30,377.92/x
  3. Step 3: Cross multiply
    60,371.68x = 90,545.54 × 30,377.92
  4. Step 4: Simplify right side
    60,371.68x = 2,750,585,170.48
  5. Step 5: Solve for x
    x = 2,750,585,170.48/60,371.68
  6. Step 6: Final answer
    x = 45,560.85

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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.