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Finding the Fourth Proportional to 132,079.40, 198,264.90 and 82,215.80

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Solution

The fourth proportional to 132,079.40, 198,264.90 and 82,215.80 is: 123,414.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,079.40 : 198,264.90 = 82,215.80 : x
  2. Step 2: Convert to fraction form
    132,079.40/198,264.90 = 82,215.80/x
  3. Step 3: Cross multiply
    132,079.40x = 198,264.90 × 82,215.80
  4. Step 4: Simplify right side
    132,079.40x = 16,300,507,365.42
  5. Step 5: Solve for x
    x = 16,300,507,365.42/132,079.40
  6. Step 6: Final answer
    x = 123,414.46

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