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Finding the Fourth Proportional to 269,413.80, 404,169.30 and 135,958.20

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Solution

The fourth proportional to 269,413.80, 404,169.30 and 135,958.20 is: 203,961.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,413.80 : 404,169.30 = 135,958.20 : x
  2. Step 2: Convert to fraction form
    269,413.80/404,169.30 = 135,958.20/x
  3. Step 3: Cross multiply
    269,413.80x = 404,169.30 × 135,958.20
  4. Step 4: Simplify right side
    269,413.80x = 54,950,130,523.26
  5. Step 5: Solve for x
    x = 54,950,130,523.26/269,413.80
  6. Step 6: Final answer
    x = 203,961.83

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