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Finding the Fourth Proportional to 167,654.35, 251,512.62 and 55,342.39

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Solution

The fourth proportional to 167,654.35, 251,512.62 and 55,342.39 is: 83,023.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,654.35 : 251,512.62 = 55,342.39 : x
  2. Step 2: Convert to fraction form
    167,654.35/251,512.62 = 55,342.39/x
  3. Step 3: Cross multiply
    167,654.35x = 251,512.62 × 55,342.39
  4. Step 4: Simplify right side
    167,654.35x = 13,919,309,505.96
  5. Step 5: Solve for x
    x = 13,919,309,505.96/167,654.35
  6. Step 6: Final answer
    x = 83,023.85

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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.