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Finding the Fourth Proportional to 111,986.50, 154,548.66 and 74,268.04

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Solution

The fourth proportional to 111,986.50, 154,548.66 and 74,268.04 is: 102,494.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,986.50 : 154,548.66 = 74,268.04 : x
  2. Step 2: Convert to fraction form
    111,986.50/154,548.66 = 74,268.04/x
  3. Step 3: Cross multiply
    111,986.50x = 154,548.66 × 74,268.04
  4. Step 4: Simplify right side
    111,986.50x = 11,478,026,062.83
  5. Step 5: Solve for x
    x = 11,478,026,062.83/111,986.50
  6. Step 6: Final answer
    x = 102,494.73

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