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Finding the Fourth Proportional to 275,195.70, 412,793.55 and 88,226.10

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Solution

The fourth proportional to 275,195.70, 412,793.55 and 88,226.10 is: 132,339.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,195.70 : 412,793.55 = 88,226.10 : x
  2. Step 2: Convert to fraction form
    275,195.70/412,793.55 = 88,226.10/x
  3. Step 3: Cross multiply
    275,195.70x = 412,793.55 × 88,226.10
  4. Step 4: Simplify right side
    275,195.70x = 36,419,165,021.66
  5. Step 5: Solve for x
    x = 36,419,165,021.66/275,195.70
  6. Step 6: Final answer
    x = 132,339.15

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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.