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Finding the Fourth Proportional to 167,761.20, 251,836.20 and 101,276.40

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Solution

The fourth proportional to 167,761.20, 251,836.20 and 101,276.40 is: 152,031.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,761.20 : 251,836.20 = 101,276.40 : x
  2. Step 2: Convert to fraction form
    167,761.20/251,836.20 = 101,276.40/x
  3. Step 3: Cross multiply
    167,761.20x = 251,836.20 × 101,276.40
  4. Step 4: Simplify right side
    167,761.20x = 25,505,063,725.68
  5. Step 5: Solve for x
    x = 25,505,063,725.68/167,761.20
  6. Step 6: Final answer
    x = 152,031.96

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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.