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Finding the Fourth Proportional to 168,652.20, 252,945.90 and 50,327.40

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Solution

The fourth proportional to 168,652.20, 252,945.90 and 50,327.40 is: 75,481.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,652.20 : 252,945.90 = 50,327.40 : x
  2. Step 2: Convert to fraction form
    168,652.20/252,945.90 = 50,327.40/x
  3. Step 3: Cross multiply
    168,652.20x = 252,945.90 × 50,327.40
  4. Step 4: Simplify right side
    168,652.20x = 12,730,109,487.66
  5. Step 5: Solve for x
    x = 12,730,109,487.66/168,652.20
  6. Step 6: Final answer
    x = 75,481.43

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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.