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Finding the Fourth Proportional to 124,669.20, 187,003.80 and 111,190.80

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Solution

The fourth proportional to 124,669.20, 187,003.80 and 111,190.80 is: 166,786.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,669.20 : 187,003.80 = 111,190.80 : x
  2. Step 2: Convert to fraction form
    124,669.20/187,003.80 = 111,190.80/x
  3. Step 3: Cross multiply
    124,669.20x = 187,003.80 × 111,190.80
  4. Step 4: Simplify right side
    124,669.20x = 20,793,102,125.04
  5. Step 5: Solve for x
    x = 20,793,102,125.04/124,669.20
  6. Step 6: Final answer
    x = 166,786.20

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