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Finding the Fourth Proportional to 226,286.92, 339,474.12 and 76,551.54

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Solution

The fourth proportional to 226,286.92, 339,474.12 and 76,551.54 is: 114,842.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,286.92 : 339,474.12 = 76,551.54 : x
  2. Step 2: Convert to fraction form
    226,286.92/339,474.12 = 76,551.54/x
  3. Step 3: Cross multiply
    226,286.92x = 339,474.12 × 76,551.54
  4. Step 4: Simplify right side
    226,286.92x = 25,987,266,676.14
  5. Step 5: Solve for x
    x = 25,987,266,676.14/226,286.92
  6. Step 6: Final answer
    x = 114,842.11

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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.