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Finding the Fourth Proportional to 63,905,468.40, 95,858,202.60 and 53,701,801.20

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Solution

The fourth proportional to 63,905,468.40, 95,858,202.60 and 53,701,801.20 is: 80,552,701.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,905,468.40 : 95,858,202.60 = 53,701,801.20 : x
  2. Step 2: Convert to fraction form
    63,905,468.40/95,858,202.60 = 53,701,801.20/x
  3. Step 3: Cross multiply
    63,905,468.40x = 95,858,202.60 × 53,701,801.20
  4. Step 4: Simplify right side
    63,905,468.40x = 5,147,758,139,414,523
  5. Step 5: Solve for x
    x = 5,147,758,139,414,523/63,905,468.40
  6. Step 6: Final answer
    x = 80,552,701.80

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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.