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Finding the Fourth Proportional to 82,406.80, 123,610.20 and 74,096.20

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Solution

The fourth proportional to 82,406.80, 123,610.20 and 74,096.20 is: 111,144.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,406.80 : 123,610.20 = 74,096.20 : x
  2. Step 2: Convert to fraction form
    82,406.80/123,610.20 = 74,096.20/x
  3. Step 3: Cross multiply
    82,406.80x = 123,610.20 × 74,096.20
  4. Step 4: Simplify right side
    82,406.80x = 9,159,046,101.24
  5. Step 5: Solve for x
    x = 9,159,046,101.24/82,406.80
  6. Step 6: Final answer
    x = 111,144.30

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