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Finding the Fourth Proportional to 67,119.43, 100,863.67 and 62,730.73

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Solution

The fourth proportional to 67,119.43, 100,863.67 and 62,730.73 is: 94,268.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,119.43 : 100,863.67 = 62,730.73 : x
  2. Step 2: Convert to fraction form
    67,119.43/100,863.67 = 62,730.73/x
  3. Step 3: Cross multiply
    67,119.43x = 100,863.67 × 62,730.73
  4. Step 4: Simplify right side
    67,119.43x = 6,327,251,683.70
  5. Step 5: Solve for x
    x = 6,327,251,683.70/67,119.43
  6. Step 6: Final answer
    x = 94,268.56

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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.