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Finding the Fourth Proportional to 181,840.80, 272,761.20 and 82,113.60

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Solution

The fourth proportional to 181,840.80, 272,761.20 and 82,113.60 is: 123,170.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    181,840.80 : 272,761.20 = 82,113.60 : x
  2. Step 2: Convert to fraction form
    181,840.80/272,761.20 = 82,113.60/x
  3. Step 3: Cross multiply
    181,840.80x = 272,761.20 × 82,113.60
  4. Step 4: Simplify right side
    181,840.80x = 22,397,404,072.32
  5. Step 5: Solve for x
    x = 22,397,404,072.32/181,840.80
  6. Step 6: Final answer
    x = 123,170.40

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