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Finding the Fourth Proportional to 226,471.89, 339,513.44 and 126,550.29

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Solution

The fourth proportional to 226,471.89, 339,513.44 and 126,550.29 is: 189,716.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,471.89 : 339,513.44 = 126,550.29 : x
  2. Step 2: Convert to fraction form
    226,471.89/339,513.44 = 126,550.29/x
  3. Step 3: Cross multiply
    226,471.89x = 339,513.44 × 126,550.29
  4. Step 4: Simplify right side
    226,471.89x = 42,965,523,658.15
  5. Step 5: Solve for x
    x = 42,965,523,658.15/226,471.89
  6. Step 6: Final answer
    x = 189,716.81

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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.