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Finding the Fourth Proportional to 226,490.67, 339,768.63 and 84,323.88

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Solution

The fourth proportional to 226,490.67, 339,768.63 and 84,323.88 is: 126,497.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,490.67 : 339,768.63 = 84,323.88 : x
  2. Step 2: Convert to fraction form
    226,490.67/339,768.63 = 84,323.88/x
  3. Step 3: Cross multiply
    226,490.67x = 339,768.63 × 84,323.88
  4. Step 4: Simplify right side
    226,490.67x = 28,650,609,183.88
  5. Step 5: Solve for x
    x = 28,650,609,183.88/226,490.67
  6. Step 6: Final answer
    x = 126,497.97

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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.