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Finding the Fourth Proportional to 72,922.60, 109,165.20 and 68,597.20

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Solution

The fourth proportional to 72,922.60, 109,165.20 and 68,597.20 is: 102,690.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,922.60 : 109,165.20 = 68,597.20 : x
  2. Step 2: Convert to fraction form
    72,922.60/109,165.20 = 68,597.20/x
  3. Step 3: Cross multiply
    72,922.60x = 109,165.20 × 68,597.20
  4. Step 4: Simplify right side
    72,922.60x = 7,488,427,057.44
  5. Step 5: Solve for x
    x = 7,488,427,057.44/72,922.60
  6. Step 6: Final answer
    x = 102,690.07

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