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Finding the Fourth Proportional to 111,862.20, 167,851.80 and 45,309.36

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Solution

The fourth proportional to 111,862.20, 167,851.80 and 45,309.36 is: 67,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,862.20 : 167,851.80 = 45,309.36 : x
  2. Step 2: Convert to fraction form
    111,862.20/167,851.80 = 45,309.36/x
  3. Step 3: Cross multiply
    111,862.20x = 167,851.80 × 45,309.36
  4. Step 4: Simplify right side
    111,862.20x = 7,605,257,632.85
  5. Step 5: Solve for x
    x = 7,605,257,632.85/111,862.20
  6. Step 6: Final answer
    x = 67,987.74

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