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Finding the Fourth Proportional to 199,337.76, 275,082.60 and 108,694.44

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Solution

The fourth proportional to 199,337.76, 275,082.60 and 108,694.44 is: 149,996.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,337.76 : 275,082.60 = 108,694.44 : x
  2. Step 2: Convert to fraction form
    199,337.76/275,082.60 = 108,694.44/x
  3. Step 3: Cross multiply
    199,337.76x = 275,082.60 × 108,694.44
  4. Step 4: Simplify right side
    199,337.76x = 29,899,949,160.74
  5. Step 5: Solve for x
    x = 29,899,949,160.74/199,337.76
  6. Step 6: Final answer
    x = 149,996.41

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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.