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Finding the Fourth Proportional to 177,321.90, 265,761.05 and 88,600.30

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Solution

The fourth proportional to 177,321.90, 265,761.05 and 88,600.30 is: 132,789.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    177,321.90 : 265,761.05 = 88,600.30 : x
  2. Step 2: Convert to fraction form
    177,321.90/265,761.05 = 88,600.30/x
  3. Step 3: Cross multiply
    177,321.90x = 265,761.05 × 88,600.30
  4. Step 4: Simplify right side
    177,321.90x = 23,546,508,758.32
  5. Step 5: Solve for x
    x = 23,546,508,758.32/177,321.90
  6. Step 6: Final answer
    x = 132,789.63

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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.