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Finding the Fourth Proportional to 67,432,838.20, 101,149,257.30 and 67,432,838.20

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Solution

The fourth proportional to 67,432,838.20, 101,149,257.30 and 67,432,838.20 is: 101,149,257.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,432,838.20 : 101,149,257.30 = 67,432,838.20 : x
  2. Step 2: Convert to fraction form
    67,432,838.20/101,149,257.30 = 67,432,838.20/x
  3. Step 3: Cross multiply
    67,432,838.20x = 101,149,257.30 × 67,432,838.20
  4. Step 4: Simplify right side
    67,432,838.20x = 6,820,781,501,561,069
  5. Step 5: Solve for x
    x = 6,820,781,501,561,069/67,432,838.20
  6. Step 6: Final answer
    x = 101,149,257.30

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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.