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Finding the Fourth Proportional to 111,974.88, 167,968.44 and 45,405.12

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Solution

The fourth proportional to 111,974.88, 167,968.44 and 45,405.12 is: 68,110.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,974.88 : 167,968.44 = 45,405.12 : x
  2. Step 2: Convert to fraction form
    111,974.88/167,968.44 = 45,405.12/x
  3. Step 3: Cross multiply
    111,974.88x = 167,968.44 × 45,405.12
  4. Step 4: Simplify right side
    111,974.88x = 7,626,627,174.41
  5. Step 5: Solve for x
    x = 7,626,627,174.41/111,974.88
  6. Step 6: Final answer
    x = 68,110.16

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