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Finding the Fourth Proportional to 132,238.56, 198,179.28 and 61,960.80

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Solution

The fourth proportional to 132,238.56, 198,179.28 and 61,960.80 is: 92,857.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,238.56 : 198,179.28 = 61,960.80 : x
  2. Step 2: Convert to fraction form
    132,238.56/198,179.28 = 61,960.80/x
  3. Step 3: Cross multiply
    132,238.56x = 198,179.28 × 61,960.80
  4. Step 4: Simplify right side
    132,238.56x = 12,279,346,732.22
  5. Step 5: Solve for x
    x = 12,279,346,732.22/132,238.56
  6. Step 6: Final answer
    x = 92,857.54

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.