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Finding the Fourth Proportional to 167,839.56, 251,760.11 and 68,001.66

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Solution

The fourth proportional to 167,839.56, 251,760.11 and 68,001.66 is: 102,002.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,839.56 : 251,760.11 = 68,001.66 : x
  2. Step 2: Convert to fraction form
    167,839.56/251,760.11 = 68,001.66/x
  3. Step 3: Cross multiply
    167,839.56x = 251,760.11 × 68,001.66
  4. Step 4: Simplify right side
    167,839.56x = 17,120,105,061.77
  5. Step 5: Solve for x
    x = 17,120,105,061.77/167,839.56
  6. Step 6: Final answer
    x = 102,002.80

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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.