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Finding the Fourth Proportional to 111,924.80, 167,733.60 and 91,188.80

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Solution

The fourth proportional to 111,924.80, 167,733.60 and 91,188.80 is: 136,658.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,924.80 : 167,733.60 = 91,188.80 : x
  2. Step 2: Convert to fraction form
    111,924.80/167,733.60 = 91,188.80/x
  3. Step 3: Cross multiply
    111,924.80x = 167,733.60 × 91,188.80
  4. Step 4: Simplify right side
    111,924.80x = 15,295,425,703.68
  5. Step 5: Solve for x
    x = 15,295,425,703.68/111,924.80
  6. Step 6: Final answer
    x = 136,658.06

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