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Finding the Fourth Proportional to 269,778.70, 404,716.65 and 112,023.10

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Solution

The fourth proportional to 269,778.70, 404,716.65 and 112,023.10 is: 168,054.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,778.70 : 404,716.65 = 112,023.10 : x
  2. Step 2: Convert to fraction form
    269,778.70/404,716.65 = 112,023.10/x
  3. Step 3: Cross multiply
    269,778.70x = 404,716.65 × 112,023.10
  4. Step 4: Simplify right side
    269,778.70x = 45,337,613,754.62
  5. Step 5: Solve for x
    x = 45,337,613,754.62/269,778.70
  6. Step 6: Final answer
    x = 168,054.83

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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.