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Finding the Fourth Proportional to 226,231.80, 339,348.72 and 76,472.89

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Solution

The fourth proportional to 226,231.80, 339,348.72 and 76,472.89 is: 114,709.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,231.80 : 339,348.72 = 76,472.89 : x
  2. Step 2: Convert to fraction form
    226,231.80/339,348.72 = 76,472.89/x
  3. Step 3: Cross multiply
    226,231.80x = 339,348.72 × 76,472.89
  4. Step 4: Simplify right side
    226,231.80x = 25,950,976,774.60
  5. Step 5: Solve for x
    x = 25,950,976,774.60/226,231.80
  6. Step 6: Final answer
    x = 114,709.68

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1.5x scale

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.