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Finding the Fourth Proportional to 192,496.86, 288,760.68 and 66,086.64

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Solution

The fourth proportional to 192,496.86, 288,760.68 and 66,086.64 is: 99,135.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    192,496.86 : 288,760.68 = 66,086.64 : x
  2. Step 2: Convert to fraction form
    192,496.86/288,760.68 = 66,086.64/x
  3. Step 3: Cross multiply
    192,496.86x = 288,760.68 × 66,086.64
  4. Step 4: Simplify right side
    192,496.86x = 19,083,223,105.32
  5. Step 5: Solve for x
    x = 19,083,223,105.32/192,496.86
  6. Step 6: Final answer
    x = 99,135.24

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