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Finding the Fourth Proportional to 275,230.20, 412,902.90 and 88,260.60

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Solution

The fourth proportional to 275,230.20, 412,902.90 and 88,260.60 is: 132,409.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    275,230.20 : 412,902.90 = 88,260.60 : x
  2. Step 2: Convert to fraction form
    275,230.20/412,902.90 = 88,260.60/x
  3. Step 3: Cross multiply
    275,230.20x = 412,902.90 × 88,260.60
  4. Step 4: Simplify right side
    275,230.20x = 36,443,057,695.74
  5. Step 5: Solve for x
    x = 36,443,057,695.74/275,230.20
  6. Step 6: Final answer
    x = 132,409.37

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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.