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Finding the Fourth Proportional to 122,377.68, 168,940.52 and 82,076.72

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Solution

The fourth proportional to 122,377.68, 168,940.52 and 82,076.72 is: 113,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    122,377.68 : 168,940.52 = 82,076.72 : x
  2. Step 2: Convert to fraction form
    122,377.68/168,940.52 = 82,076.72/x
  3. Step 3: Cross multiply
    122,377.68x = 168,940.52 × 82,076.72
  4. Step 4: Simplify right side
    122,377.68x = 13,866,083,756.69
  5. Step 5: Solve for x
    x = 13,866,083,756.69/122,377.68
  6. Step 6: Final answer
    x = 113,305.66

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