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Finding the Fourth Proportional to 195,361.56, 269,600.25 and 113,738.46

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Solution

The fourth proportional to 195,361.56, 269,600.25 and 113,738.46 is: 156,959.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    195,361.56 : 269,600.25 = 113,738.46 : x
  2. Step 2: Convert to fraction form
    195,361.56/269,600.25 = 113,738.46/x
  3. Step 3: Cross multiply
    195,361.56x = 269,600.25 × 113,738.46
  4. Step 4: Simplify right side
    195,361.56x = 30,663,917,250.62
  5. Step 5: Solve for x
    x = 30,663,917,250.62/195,361.56
  6. Step 6: Final answer
    x = 156,959.83

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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.