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Finding the Fourth Proportional to 167,839.54, 251,757.69 and 79,044.46

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Solution

The fourth proportional to 167,839.54, 251,757.69 and 79,044.46 is: 118,565.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,839.54 : 251,757.69 = 79,044.46 : x
  2. Step 2: Convert to fraction form
    167,839.54/251,757.69 = 79,044.46/x
  3. Step 3: Cross multiply
    167,839.54x = 251,757.69 × 79,044.46
  4. Step 4: Simplify right side
    167,839.54x = 19,900,050,656.90
  5. Step 5: Solve for x
    x = 19,900,050,656.90/167,839.54
  6. Step 6: Final answer
    x = 118,565.93

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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.