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Finding the Fourth Proportional to 69,487.46, 103,337.24 and 67,273.12

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Solution

The fourth proportional to 69,487.46, 103,337.24 and 67,273.12 is: 100,044.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,487.46 : 103,337.24 = 67,273.12 : x
  2. Step 2: Convert to fraction form
    69,487.46/103,337.24 = 67,273.12/x
  3. Step 3: Cross multiply
    69,487.46x = 103,337.24 × 67,273.12
  4. Step 4: Simplify right side
    69,487.46x = 6,951,818,546.99
  5. Step 5: Solve for x
    x = 6,951,818,546.99/69,487.46
  6. Step 6: Final answer
    x = 100,044.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.