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Finding the Fourth Proportional to 67,121.43, 100,866.67 and 62,732.73

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Solution

The fourth proportional to 67,121.43, 100,866.67 and 62,732.73 is: 94,271.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,121.43 : 100,866.67 = 62,732.73 : x
  2. Step 2: Convert to fraction form
    67,121.43/100,866.67 = 62,732.73/x
  3. Step 3: Cross multiply
    67,121.43x = 100,866.67 × 62,732.73
  4. Step 4: Simplify right side
    67,121.43x = 6,327,641,575.11
  5. Step 5: Solve for x
    x = 6,327,641,575.11/67,121.43
  6. Step 6: Final answer
    x = 94,271.55

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1.5x scale

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.