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Finding the Fourth Proportional to 78,850.36, 108,742.46 and 50,550.52

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Solution

The fourth proportional to 78,850.36, 108,742.46 and 50,550.52 is: 69,714.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,850.36 : 108,742.46 = 50,550.52 : x
  2. Step 2: Convert to fraction form
    78,850.36/108,742.46 = 50,550.52/x
  3. Step 3: Cross multiply
    78,850.36x = 108,742.46 × 50,550.52
  4. Step 4: Simplify right side
    78,850.36x = 5,496,987,899.08
  5. Step 5: Solve for x
    x = 5,496,987,899.08/78,850.36
  6. Step 6: Final answer
    x = 69,714.18

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