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Finding the Fourth Proportional to 105,913.97, 158,870.85 and 27,028.19

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Solution

The fourth proportional to 105,913.97, 158,870.85 and 27,028.19 is: 40,542.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,913.97 : 158,870.85 = 27,028.19 : x
  2. Step 2: Convert to fraction form
    105,913.97/158,870.85 = 27,028.19/x
  3. Step 3: Cross multiply
    105,913.97x = 158,870.85 × 27,028.19
  4. Step 4: Simplify right side
    105,913.97x = 4,293,991,519.26
  5. Step 5: Solve for x
    x = 4,293,991,519.26/105,913.97
  6. Step 6: Final answer
    x = 40,542.26

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