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Finding the Fourth Proportional to 393,067.68, 589,108.14 and 168,163.80

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Solution

The fourth proportional to 393,067.68, 589,108.14 and 168,163.80 is: 252,034.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    393,067.68 : 589,108.14 = 168,163.80 : x
  2. Step 2: Convert to fraction form
    393,067.68/589,108.14 = 168,163.80/x
  3. Step 3: Cross multiply
    393,067.68x = 589,108.14 × 168,163.80
  4. Step 4: Simplify right side
    393,067.68x = 99,066,663,433.33
  5. Step 5: Solve for x
    x = 99,066,663,433.33/393,067.68
  6. Step 6: Final answer
    x = 252,034.62

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