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Finding the Fourth Proportional to 204,959.20, 307,438.80 and 144,824.80

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Solution

The fourth proportional to 204,959.20, 307,438.80 and 144,824.80 is: 217,237.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,959.20 : 307,438.80 = 144,824.80 : x
  2. Step 2: Convert to fraction form
    204,959.20/307,438.80 = 144,824.80/x
  3. Step 3: Cross multiply
    204,959.20x = 307,438.80 × 144,824.80
  4. Step 4: Simplify right side
    204,959.20x = 44,524,762,722.24
  5. Step 5: Solve for x
    x = 44,524,762,722.24/204,959.20
  6. Step 6: Final answer
    x = 217,237.20

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