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Finding the Fourth Proportional to 200,404,874.60, 300,607,311.90 and 132,324,439.40

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Solution

The fourth proportional to 200,404,874.60, 300,607,311.90 and 132,324,439.40 is: 198,486,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    200,404,874.60 : 300,607,311.90 = 132,324,439.40 : x
  2. Step 2: Convert to fraction form
    200,404,874.60/300,607,311.90 = 132,324,439.40/x
  3. Step 3: Cross multiply
    200,404,874.60x = 300,607,311.90 × 132,324,439.40
  4. Step 4: Simplify right side
    200,404,874.60x = 39,777,694,026,708,448
  5. Step 5: Solve for x
    x = 39,777,694,026,708,448/200,404,874.60
  6. Step 6: Final answer
    x = 198,486,659.10

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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.