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Finding the Fourth Proportional to 240,857.69, 332,384.88 and 136,082.11

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Solution

The fourth proportional to 240,857.69, 332,384.88 and 136,082.11 is: 187,794.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    240,857.69 : 332,384.88 = 136,082.11 : x
  2. Step 2: Convert to fraction form
    240,857.69/332,384.88 = 136,082.11/x
  3. Step 3: Cross multiply
    240,857.69x = 332,384.88 × 136,082.11
  4. Step 4: Simplify right side
    240,857.69x = 45,231,635,481.84
  5. Step 5: Solve for x
    x = 45,231,635,481.84/240,857.69
  6. Step 6: Final answer
    x = 187,794.02

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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.