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Finding the Fourth Proportional to 172,773.92, 238,429.20 and 96,297.95

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Solution

The fourth proportional to 172,773.92, 238,429.20 and 96,297.95 is: 132,891.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,773.92 : 238,429.20 = 96,297.95 : x
  2. Step 2: Convert to fraction form
    172,773.92/238,429.20 = 96,297.95/x
  3. Step 3: Cross multiply
    172,773.92x = 238,429.20 × 96,297.95
  4. Step 4: Simplify right side
    172,773.92x = 22,960,243,180.14
  5. Step 5: Solve for x
    x = 22,960,243,180.14/172,773.92
  6. Step 6: Final answer
    x = 132,891.83

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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.