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Finding the Fourth Proportional to 168,393.06, 252,388.44 and 78,314.22

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Solution

The fourth proportional to 168,393.06, 252,388.44 and 78,314.22 is: 117,377.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,393.06 : 252,388.44 = 78,314.22 : x
  2. Step 2: Convert to fraction form
    168,393.06/252,388.44 = 78,314.22/x
  3. Step 3: Cross multiply
    168,393.06x = 252,388.44 × 78,314.22
  4. Step 4: Simplify right side
    168,393.06x = 19,765,603,815.62
  5. Step 5: Solve for x
    x = 19,765,603,815.62/168,393.06
  6. Step 6: Final answer
    x = 117,377.78

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