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Finding the Fourth Proportional to 71,612.28, 107,251.92 and 62,754.84

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Solution

The fourth proportional to 71,612.28, 107,251.92 and 62,754.84 is: 93,986.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,612.28 : 107,251.92 = 62,754.84 : x
  2. Step 2: Convert to fraction form
    71,612.28/107,251.92 = 62,754.84/x
  3. Step 3: Cross multiply
    71,612.28x = 107,251.92 × 62,754.84
  4. Step 4: Simplify right side
    71,612.28x = 6,730,577,079.29
  5. Step 5: Solve for x
    x = 6,730,577,079.29/71,612.28
  6. Step 6: Final answer
    x = 93,986.35

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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.