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Finding the Fourth Proportional to 269,879.40, 404,819.10 and 82,900.20

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Solution

The fourth proportional to 269,879.40, 404,819.10 and 82,900.20 is: 124,350.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,879.40 : 404,819.10 = 82,900.20 : x
  2. Step 2: Convert to fraction form
    269,879.40/404,819.10 = 82,900.20/x
  3. Step 3: Cross multiply
    269,879.40x = 404,819.10 × 82,900.20
  4. Step 4: Simplify right side
    269,879.40x = 33,559,584,353.82
  5. Step 5: Solve for x
    x = 33,559,584,353.82/269,879.40
  6. Step 6: Final answer
    x = 124,350.30

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