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Finding the Fourth Proportional to 132,662,469.60, 198,804,747.60 and 97,847,179.20

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Solution

The fourth proportional to 132,662,469.60, 198,804,747.60 and 97,847,179.20 is: 146,631,400.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,662,469.60 : 198,804,747.60 = 97,847,179.20 : x
  2. Step 2: Convert to fraction form
    132,662,469.60/198,804,747.60 = 97,847,179.20/x
  3. Step 3: Cross multiply
    132,662,469.60x = 198,804,747.60 × 97,847,179.20
  4. Step 4: Simplify right side
    132,662,469.60x = 19,452,483,764,227,968
  5. Step 5: Solve for x
    x = 19,452,483,764,227,968/132,662,469.60
  6. Step 6: Final answer
    x = 146,631,400.90

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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.