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Finding the Fourth Proportional to 167,902.80, 251,708.40 and 101,272.20

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Solution

The fourth proportional to 167,902.80, 251,708.40 and 101,272.20 is: 151,820.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,902.80 : 251,708.40 = 101,272.20 : x
  2. Step 2: Convert to fraction form
    167,902.80/251,708.40 = 101,272.20/x
  3. Step 3: Cross multiply
    167,902.80x = 251,708.40 × 101,272.20
  4. Step 4: Simplify right side
    167,902.80x = 25,491,063,426.48
  5. Step 5: Solve for x
    x = 25,491,063,426.48/167,902.80
  6. Step 6: Final answer
    x = 151,820.36

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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.