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Finding the Fourth Proportional to 67,432,511.70, 101,148,767.55 and 67,432,511.70

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Solution

The fourth proportional to 67,432,511.70, 101,148,767.55 and 67,432,511.70 is: 101,148,767.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,432,511.70 : 101,148,767.55 = 67,432,511.70 : x
  2. Step 2: Convert to fraction form
    67,432,511.70/101,148,767.55 = 67,432,511.70/x
  3. Step 3: Cross multiply
    67,432,511.70x = 101,148,767.55 × 67,432,511.70
  4. Step 4: Simplify right side
    67,432,511.70x = 6,820,715,451,255,955
  5. Step 5: Solve for x
    x = 6,820,715,451,255,955/67,432,511.70
  6. Step 6: Final answer
    x = 101,148,767.55

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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.