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Finding the Fourth Proportional to 118,249.89, 163,128.47 and 80,022.84

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Solution

The fourth proportional to 118,249.89, 163,128.47 and 80,022.84 is: 110,393.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,249.89 : 163,128.47 = 80,022.84 : x
  2. Step 2: Convert to fraction form
    118,249.89/163,128.47 = 80,022.84/x
  3. Step 3: Cross multiply
    118,249.89x = 163,128.47 × 80,022.84
  4. Step 4: Simplify right side
    118,249.89x = 13,054,003,054.14
  5. Step 5: Solve for x
    x = 13,054,003,054.14/118,249.89
  6. Step 6: Final answer
    x = 110,393.36

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