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Finding the Fourth Proportional to 82,766,229.80, 124,149,344.70 and 82,766,229.80

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Solution

The fourth proportional to 82,766,229.80, 124,149,344.70 and 82,766,229.80 is: 124,149,344.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,766,229.80 : 124,149,344.70 = 82,766,229.80 : x
  2. Step 2: Convert to fraction form
    82,766,229.80/124,149,344.70 = 82,766,229.80/x
  3. Step 3: Cross multiply
    82,766,229.80x = 124,149,344.70 × 82,766,229.80
  4. Step 4: Simplify right side
    82,766,229.80x = 10,275,373,192,959,612
  5. Step 5: Solve for x
    x = 10,275,373,192,959,612/82,766,229.80
  6. Step 6: Final answer
    x = 124,149,344.70

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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.