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Finding the Fourth Proportional to 227,042.05, 313,318.11 and 131,604.11

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Solution

The fourth proportional to 227,042.05, 313,318.11 and 131,604.11 is: 181,613.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    227,042.05 : 313,318.11 = 131,604.11 : x
  2. Step 2: Convert to fraction form
    227,042.05/313,318.11 = 131,604.11/x
  3. Step 3: Cross multiply
    227,042.05x = 313,318.11 × 131,604.11
  4. Step 4: Simplify right side
    227,042.05x = 41,233,948,788.82
  5. Step 5: Solve for x
    x = 41,233,948,788.82/227,042.05
  6. Step 6: Final answer
    x = 181,613.71

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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.