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Finding the Fourth Proportional to 229,467.97, 344,124.33 and 87,279.49

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Solution

The fourth proportional to 229,467.97, 344,124.33 and 87,279.49 is: 130,889.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    229,467.97 : 344,124.33 = 87,279.49 : x
  2. Step 2: Convert to fraction form
    229,467.97/344,124.33 = 87,279.49/x
  3. Step 3: Cross multiply
    229,467.97x = 344,124.33 × 87,279.49
  4. Step 4: Simplify right side
    229,467.97x = 30,034,996,018.99
  5. Step 5: Solve for x
    x = 30,034,996,018.99/229,467.97
  6. Step 6: Final answer
    x = 130,889.71

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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.