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Finding the Fourth Proportional to 143,251.92, 197,748.26 and 96,694.88

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Solution

The fourth proportional to 143,251.92, 197,748.26 and 96,694.88 is: 133,479.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    143,251.92 : 197,748.26 = 96,694.88 : x
  2. Step 2: Convert to fraction form
    143,251.92/197,748.26 = 96,694.88/x
  3. Step 3: Cross multiply
    143,251.92x = 197,748.26 × 96,694.88
  4. Step 4: Simplify right side
    143,251.92x = 19,121,244,270.91
  5. Step 5: Solve for x
    x = 19,121,244,270.91/143,251.92
  6. Step 6: Final answer
    x = 133,479.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.