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Finding the Fourth Proportional to 206,662.62, 285,160.46 and 121,768.14

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Solution

The fourth proportional to 206,662.62, 285,160.46 and 121,768.14 is: 168,020.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    206,662.62 : 285,160.46 = 121,768.14 : x
  2. Step 2: Convert to fraction form
    206,662.62/285,160.46 = 121,768.14/x
  3. Step 3: Cross multiply
    206,662.62x = 285,160.46 × 121,768.14
  4. Step 4: Simplify right side
    206,662.62x = 34,723,458,206.90
  5. Step 5: Solve for x
    x = 34,723,458,206.90/206,662.62
  6. Step 6: Final answer
    x = 168,020.02

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