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Finding the Fourth Proportional to 136,687.38, 205,037.24 and 41,910.64

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Solution

The fourth proportional to 136,687.38, 205,037.24 and 41,910.64 is: 62,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,687.38 : 205,037.24 = 41,910.64 : x
  2. Step 2: Convert to fraction form
    136,687.38/205,037.24 = 41,910.64/x
  3. Step 3: Cross multiply
    136,687.38x = 205,037.24 × 41,910.64
  4. Step 4: Simplify right side
    136,687.38x = 8,593,242,619.17
  5. Step 5: Solve for x
    x = 8,593,242,619.17/136,687.38
  6. Step 6: Final answer
    x = 62,867.86

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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.