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Finding the Fourth Proportional to 133,073.20, 199,610.04 and 88,786.48

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Solution

The fourth proportional to 133,073.20, 199,610.04 and 88,786.48 is: 133,179.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,073.20 : 199,610.04 = 88,786.48 : x
  2. Step 2: Convert to fraction form
    133,073.20/199,610.04 = 88,786.48/x
  3. Step 3: Cross multiply
    133,073.20x = 199,610.04 × 88,786.48
  4. Step 4: Simplify right side
    133,073.20x = 17,722,672,824.26
  5. Step 5: Solve for x
    x = 17,722,672,824.26/133,073.20
  6. Step 6: Final answer
    x = 133,179.88

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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.