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Finding the Fourth Proportional to 172,729.83, 238,360.86 and 96,244.97

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Solution

The fourth proportional to 172,729.83, 238,360.86 and 96,244.97 is: 132,814.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,729.83 : 238,360.86 = 96,244.97 : x
  2. Step 2: Convert to fraction form
    172,729.83/238,360.86 = 96,244.97/x
  3. Step 3: Cross multiply
    172,729.83x = 238,360.86 × 96,244.97
  4. Step 4: Simplify right side
    172,729.83x = 22,941,033,819.87
  5. Step 5: Solve for x
    x = 22,941,033,819.87/172,729.83
  6. Step 6: Final answer
    x = 132,814.55

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.