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Finding the Fourth Proportional to 113,002.80, 169,504.20 and 68,716.40

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Solution

The fourth proportional to 113,002.80, 169,504.20 and 68,716.40 is: 103,074.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,002.80 : 169,504.20 = 68,716.40 : x
  2. Step 2: Convert to fraction form
    113,002.80/169,504.20 = 68,716.40/x
  3. Step 3: Cross multiply
    113,002.80x = 169,504.20 × 68,716.40
  4. Step 4: Simplify right side
    113,002.80x = 11,647,718,408.88
  5. Step 5: Solve for x
    x = 11,647,718,408.88/113,002.80
  6. Step 6: Final answer
    x = 103,074.60

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