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Finding the Fourth Proportional to 132,640.46, 198,827.62 and 61,612.96

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Solution

The fourth proportional to 132,640.46, 198,827.62 and 61,612.96 is: 92,357.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,640.46 : 198,827.62 = 61,612.96 : x
  2. Step 2: Convert to fraction form
    132,640.46/198,827.62 = 61,612.96/x
  3. Step 3: Cross multiply
    132,640.46x = 198,827.62 × 61,612.96
  4. Step 4: Simplify right side
    132,640.46x = 12,250,358,197.96
  5. Step 5: Solve for x
    x = 12,250,358,197.96/132,640.46
  6. Step 6: Final answer
    x = 92,357.63

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