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Finding the Fourth Proportional to 192,960.86, 289,540.13 and 91,873.31

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Solution

The fourth proportional to 192,960.86, 289,540.13 and 91,873.31 is: 137,857.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,960.86 : 289,540.13 = 91,873.31 : x
  2. Step 2: Convert to fraction form
    192,960.86/289,540.13 = 91,873.31/x
  3. Step 3: Cross multiply
    192,960.86x = 289,540.13 × 91,873.31
  4. Step 4: Simplify right side
    192,960.86x = 26,601,010,120.93
  5. Step 5: Solve for x
    x = 26,601,010,120.93/192,960.86
  6. Step 6: Final answer
    x = 137,857.03

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