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Finding the Fourth Proportional to 63,858,803.60, 95,788,205.40 and 43,451,469.20

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Solution

The fourth proportional to 63,858,803.60, 95,788,205.40 and 43,451,469.20 is: 65,177,203.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,858,803.60 : 95,788,205.40 = 43,451,469.20 : x
  2. Step 2: Convert to fraction form
    63,858,803.60/95,788,205.40 = 43,451,469.20/x
  3. Step 3: Cross multiply
    63,858,803.60x = 95,788,205.40 × 43,451,469.20
  4. Step 4: Simplify right side
    63,858,803.60x = 4,162,138,256,661,374
  5. Step 5: Solve for x
    x = 4,162,138,256,661,374/63,858,803.60
  6. Step 6: Final answer
    x = 65,177,203.80

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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.