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Finding the Fourth Proportional to 71,168.38, 106,750.86 and 23,136.92

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Solution

The fourth proportional to 71,168.38, 106,750.86 and 23,136.92 is: 34,704.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,168.38 : 106,750.86 = 23,136.92 : x
  2. Step 2: Convert to fraction form
    71,168.38/106,750.86 = 23,136.92/x
  3. Step 3: Cross multiply
    71,168.38x = 106,750.86 × 23,136.92
  4. Step 4: Simplify right side
    71,168.38x = 2,469,886,107.75
  5. Step 5: Solve for x
    x = 2,469,886,107.75/71,168.38
  6. Step 6: Final answer
    x = 34,704.82

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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.