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Finding the Fourth Proportional to 324,770.40, 487,155.87 and 88,113.11

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Solution

The fourth proportional to 324,770.40, 487,155.87 and 88,113.11 is: 132,169.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    324,770.40 : 487,155.87 = 88,113.11 : x
  2. Step 2: Convert to fraction form
    324,770.40/487,155.87 = 88,113.11/x
  3. Step 3: Cross multiply
    324,770.40x = 487,155.87 × 88,113.11
  4. Step 4: Simplify right side
    324,770.40x = 42,924,816,324.68
  5. Step 5: Solve for x
    x = 42,924,816,324.68/324,770.40
  6. Step 6: Final answer
    x = 132,169.73

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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.