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Finding the Fourth Proportional to 192,028.80, 288,043.20 and 67,382.40

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Solution

The fourth proportional to 192,028.80, 288,043.20 and 67,382.40 is: 101,073.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,028.80 : 288,043.20 = 67,382.40 : x
  2. Step 2: Convert to fraction form
    192,028.80/288,043.20 = 67,382.40/x
  3. Step 3: Cross multiply
    192,028.80x = 288,043.20 × 67,382.40
  4. Step 4: Simplify right side
    192,028.80x = 19,409,042,119.68
  5. Step 5: Solve for x
    x = 19,409,042,119.68/192,028.80
  6. Step 6: Final answer
    x = 101,073.60

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