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Finding the Fourth Proportional to 378,771.40, 568,022.70 and 168,032.20

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Solution

The fourth proportional to 378,771.40, 568,022.70 and 168,032.20 is: 251,988.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    378,771.40 : 568,022.70 = 168,032.20 : x
  2. Step 2: Convert to fraction form
    378,771.40/568,022.70 = 168,032.20/x
  3. Step 3: Cross multiply
    378,771.40x = 568,022.70 × 168,032.20
  4. Step 4: Simplify right side
    378,771.40x = 95,446,103,930.94
  5. Step 5: Solve for x
    x = 95,446,103,930.94/378,771.40
  6. Step 6: Final answer
    x = 251,988.68

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