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Finding the Fourth Proportional to 167,696, 251,470.20 and 88,791.80

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Solution

The fourth proportional to 167,696, 251,470.20 and 88,791.80 is: 133,148.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,696 : 251,470.20 = 88,791.80 : x
  2. Step 2: Convert to fraction form
    167,696/251,470.20 = 88,791.80/x
  3. Step 3: Cross multiply
    167,696x = 251,470.20 × 88,791.80
  4. Step 4: Simplify right side
    167,696x = 22,328,491,704.36
  5. Step 5: Solve for x
    x = 22,328,491,704.36/167,696
  6. Step 6: Final answer
    x = 133,148.62

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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.