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Finding the Fourth Proportional to 172,281.27, 237,753.29 and 104,310.68

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Solution

The fourth proportional to 172,281.27, 237,753.29 and 104,310.68 is: 143,951.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    172,281.27 : 237,753.29 = 104,310.68 : x
  2. Step 2: Convert to fraction form
    172,281.27/237,753.29 = 104,310.68/x
  3. Step 3: Cross multiply
    172,281.27x = 237,753.29 × 104,310.68
  4. Step 4: Simplify right side
    172,281.27x = 24,800,206,424.15
  5. Step 5: Solve for x
    x = 24,800,206,424.15/172,281.27
  6. Step 6: Final answer
    x = 143,951.84

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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.