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Finding the Fourth Proportional to 81,996.30, 122,994.45 and 73,961.10

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Solution

The fourth proportional to 81,996.30, 122,994.45 and 73,961.10 is: 110,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,996.30 : 122,994.45 = 73,961.10 : x
  2. Step 2: Convert to fraction form
    81,996.30/122,994.45 = 73,961.10/x
  3. Step 3: Cross multiply
    81,996.30x = 122,994.45 × 73,961.10
  4. Step 4: Simplify right side
    81,996.30x = 9,096,804,815.90
  5. Step 5: Solve for x
    x = 9,096,804,815.90/81,996.30
  6. Step 6: Final answer
    x = 110,941.65

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