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Finding the Fourth Proportional to 167,716.80, 251,137.80 and 132,433.20

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Solution

The fourth proportional to 167,716.80, 251,137.80 and 132,433.20 is: 198,304.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,716.80 : 251,137.80 = 132,433.20 : x
  2. Step 2: Convert to fraction form
    167,716.80/251,137.80 = 132,433.20/x
  3. Step 3: Cross multiply
    167,716.80x = 251,137.80 × 132,433.20
  4. Step 4: Simplify right side
    167,716.80x = 33,258,982,494.96
  5. Step 5: Solve for x
    x = 33,258,982,494.96/167,716.80
  6. Step 6: Final answer
    x = 198,304.42

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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.