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Finding the Fourth Proportional to 204,712.80, 307,069.20 and 71,548.80

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Solution

The fourth proportional to 204,712.80, 307,069.20 and 71,548.80 is: 107,323.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,712.80 : 307,069.20 = 71,548.80 : x
  2. Step 2: Convert to fraction form
    204,712.80/307,069.20 = 71,548.80/x
  3. Step 3: Cross multiply
    204,712.80x = 307,069.20 × 71,548.80
  4. Step 4: Simplify right side
    204,712.80x = 21,970,432,776.96
  5. Step 5: Solve for x
    x = 21,970,432,776.96/204,712.80
  6. Step 6: Final answer
    x = 107,323.20

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