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Finding the Fourth Proportional to 40,321,874.92, 60,482,812.36 and 40,321,874.92

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Solution

The fourth proportional to 40,321,874.92, 60,482,812.36 and 40,321,874.92 is: 60,482,812.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,321,874.92 : 60,482,812.36 = 40,321,874.92 : x
  2. Step 2: Convert to fraction form
    40,321,874.92/60,482,812.36 = 40,321,874.92/x
  3. Step 3: Cross multiply
    40,321,874.92x = 60,482,812.36 × 40,321,874.92
  4. Step 4: Simplify right side
    40,321,874.92x = 2,438,780,394,789,750
  5. Step 5: Solve for x
    x = 2,438,780,394,789,750/40,321,874.92
  6. Step 6: Final answer
    x = 60,482,812.36

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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.