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Finding the Fourth Proportional to 269,540.70, 404,238.15 and 80,000.70

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Solution

The fourth proportional to 269,540.70, 404,238.15 and 80,000.70 is: 119,979.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,540.70 : 404,238.15 = 80,000.70 : x
  2. Step 2: Convert to fraction form
    269,540.70/404,238.15 = 80,000.70/x
  3. Step 3: Cross multiply
    269,540.70x = 404,238.15 × 80,000.70
  4. Step 4: Simplify right side
    269,540.70x = 32,339,334,966.71
  5. Step 5: Solve for x
    x = 32,339,334,966.71/269,540.70
  6. Step 6: Final answer
    x = 119,979.41

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