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Finding the Fourth Proportional to 168,580.20, 252,837.90 and 50,255.40

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Solution

The fourth proportional to 168,580.20, 252,837.90 and 50,255.40 is: 75,373.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,580.20 : 252,837.90 = 50,255.40 : x
  2. Step 2: Convert to fraction form
    168,580.20/252,837.90 = 50,255.40/x
  3. Step 3: Cross multiply
    168,580.20x = 252,837.90 × 50,255.40
  4. Step 4: Simplify right side
    168,580.20x = 12,706,469,799.66
  5. Step 5: Solve for x
    x = 12,706,469,799.66/168,580.20
  6. Step 6: Final answer
    x = 75,373.44

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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.