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Finding the Fourth Proportional to 74,934.52, 103,431.18 and 49,459.48

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Solution

The fourth proportional to 74,934.52, 103,431.18 and 49,459.48 is: 68,268.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,934.52 : 103,431.18 = 49,459.48 : x
  2. Step 2: Convert to fraction form
    74,934.52/103,431.18 = 49,459.48/x
  3. Step 3: Cross multiply
    74,934.52x = 103,431.18 × 49,459.48
  4. Step 4: Simplify right side
    74,934.52x = 5,115,652,378.59
  5. Step 5: Solve for x
    x = 5,115,652,378.59/74,934.52
  6. Step 6: Final answer
    x = 68,268.30

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