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Finding the Fourth Proportional to 337,180.40, 505,770.60 and 87,862.40

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Solution

The fourth proportional to 337,180.40, 505,770.60 and 87,862.40 is: 131,793.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    337,180.40 : 505,770.60 = 87,862.40 : x
  2. Step 2: Convert to fraction form
    337,180.40/505,770.60 = 87,862.40/x
  3. Step 3: Cross multiply
    337,180.40x = 505,770.60 × 87,862.40
  4. Step 4: Simplify right side
    337,180.40x = 44,438,218,765.44
  5. Step 5: Solve for x
    x = 44,438,218,765.44/337,180.40
  6. Step 6: Final answer
    x = 131,793.60

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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.