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Finding the Fourth Proportional to 87,566,978.60, 131,350,467.90 and 36,432,002.60

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Solution

The fourth proportional to 87,566,978.60, 131,350,467.90 and 36,432,002.60 is: 54,648,003.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,566,978.60 : 131,350,467.90 = 36,432,002.60 : x
  2. Step 2: Convert to fraction form
    87,566,978.60/131,350,467.90 = 36,432,002.60/x
  3. Step 3: Cross multiply
    87,566,978.60x = 131,350,467.90 × 36,432,002.60
  4. Step 4: Simplify right side
    87,566,978.60x = 4,785,360,588,044,017
  5. Step 5: Solve for x
    x = 4,785,360,588,044,017/87,566,978.60
  6. Step 6: Final answer
    x = 54,648,003.90

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.