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Finding the Fourth Proportional to 252,227,598.60, 378,341,397.90 and 115,912,982.10

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Solution

The fourth proportional to 252,227,598.60, 378,341,397.90 and 115,912,982.10 is: 173,869,473.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227,598.60 : 378,341,397.90 = 115,912,982.10 : x
  2. Step 2: Convert to fraction form
    252,227,598.60/378,341,397.90 = 115,912,982.10/x
  3. Step 3: Cross multiply
    252,227,598.60x = 378,341,397.90 × 115,912,982.10
  4. Step 4: Simplify right side
    252,227,598.60x = 43,854,679,682,471,672
  5. Step 5: Solve for x
    x = 43,854,679,682,471,672/252,227,598.60
  6. Step 6: Final answer
    x = 173,869,473.15

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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.