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Finding the Fourth Proportional to 252,020.40, 378,203.40 and 111,879.60

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Solution

The fourth proportional to 252,020.40, 378,203.40 and 111,879.60 is: 167,896.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,020.40 : 378,203.40 = 111,879.60 : x
  2. Step 2: Convert to fraction form
    252,020.40/378,203.40 = 111,879.60/x
  3. Step 3: Cross multiply
    252,020.40x = 378,203.40 × 111,879.60
  4. Step 4: Simplify right side
    252,020.40x = 42,313,245,110.64
  5. Step 5: Solve for x
    x = 42,313,245,110.64/252,020.40
  6. Step 6: Final answer
    x = 167,896.11

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