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Finding the Fourth Proportional to 160,679.20, 221,724.24 and 89,062.24

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Solution

The fourth proportional to 160,679.20, 221,724.24 and 89,062.24 is: 122,898.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    160,679.20 : 221,724.24 = 89,062.24 : x
  2. Step 2: Convert to fraction form
    160,679.20/221,724.24 = 89,062.24/x
  3. Step 3: Cross multiply
    160,679.20x = 221,724.24 × 89,062.24
  4. Step 4: Simplify right side
    160,679.20x = 19,747,257,476.70
  5. Step 5: Solve for x
    x = 19,747,257,476.70/160,679.20
  6. Step 6: Final answer
    x = 122,898.65

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