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Finding the Fourth Proportional to 226,604.34, 339,938.86 and 84,437.49

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Solution

The fourth proportional to 226,604.34, 339,938.86 and 84,437.49 is: 126,668.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    226,604.34 : 339,938.86 = 84,437.49 : x
  2. Step 2: Convert to fraction form
    226,604.34/339,938.86 = 84,437.49/x
  3. Step 3: Cross multiply
    226,604.34x = 339,938.86 × 84,437.49
  4. Step 4: Simplify right side
    226,604.34x = 28,703,584,091.86
  5. Step 5: Solve for x
    x = 28,703,584,091.86/226,604.34
  6. Step 6: Final answer
    x = 126,668.29

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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.