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Finding the Fourth Proportional to 144,363.20, 216,544.80 and 109,371.20

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Solution

The fourth proportional to 144,363.20, 216,544.80 and 109,371.20 is: 164,056.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    144,363.20 : 216,544.80 = 109,371.20 : x
  2. Step 2: Convert to fraction form
    144,363.20/216,544.80 = 109,371.20/x
  3. Step 3: Cross multiply
    144,363.20x = 216,544.80 × 109,371.20
  4. Step 4: Simplify right side
    144,363.20x = 23,683,764,629.76
  5. Step 5: Solve for x
    x = 23,683,764,629.76/144,363.20
  6. Step 6: Final answer
    x = 164,056.80

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