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Finding the Fourth Proportional to 173,729.92, 239,896.92 and 109,306.57

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Solution

The fourth proportional to 173,729.92, 239,896.92 and 109,306.57 is: 150,937.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,729.92 : 239,896.92 = 109,306.57 : x
  2. Step 2: Convert to fraction form
    173,729.92/239,896.92 = 109,306.57/x
  3. Step 3: Cross multiply
    173,729.92x = 239,896.92 × 109,306.57
  4. Step 4: Simplify right side
    173,729.92x = 26,222,309,478.76
  5. Step 5: Solve for x
    x = 26,222,309,478.76/173,729.92
  6. Step 6: Final answer
    x = 150,937.21

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1.5x scale

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.