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Finding the Fourth Proportional to 147,300.20, 221,047.19 and 80,787.03

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Solution

The fourth proportional to 147,300.20, 221,047.19 and 80,787.03 is: 121,233.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    147,300.20 : 221,047.19 = 80,787.03 : x
  2. Step 2: Convert to fraction form
    147,300.20/221,047.19 = 80,787.03/x
  3. Step 3: Cross multiply
    147,300.20x = 221,047.19 × 80,787.03
  4. Step 4: Simplify right side
    147,300.20x = 17,857,745,566.01
  5. Step 5: Solve for x
    x = 17,857,745,566.01/147,300.20
  6. Step 6: Final answer
    x = 121,233.69

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