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Finding the Fourth Proportional to 132,097,747.20, 197,978,659.20 and 63,793,363.20

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Solution

The fourth proportional to 132,097,747.20, 197,978,659.20 and 63,793,363.20 is: 95,608,931.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,097,747.20 : 197,978,659.20 = 63,793,363.20 : x
  2. Step 2: Convert to fraction form
    132,097,747.20/197,978,659.20 = 63,793,363.20/x
  3. Step 3: Cross multiply
    132,097,747.20x = 197,978,659.20 × 63,793,363.20
  4. Step 4: Simplify right side
    132,097,747.20x = 12,629,724,512,194,622
  5. Step 5: Solve for x
    x = 12,629,724,512,194,622/132,097,747.20
  6. Step 6: Final answer
    x = 95,608,931.87

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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.