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Finding the Fourth Proportional to 81,969.36, 122,887.76 and 34,553.84

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Solution

The fourth proportional to 81,969.36, 122,887.76 and 34,553.84 is: 51,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,969.36 : 122,887.76 = 34,553.84 : x
  2. Step 2: Convert to fraction form
    81,969.36/122,887.76 = 34,553.84/x
  3. Step 3: Cross multiply
    81,969.36x = 122,887.76 × 34,553.84
  4. Step 4: Simplify right side
    81,969.36x = 4,246,243,209.79
  5. Step 5: Solve for x
    x = 4,246,243,209.79/81,969.36
  6. Step 6: Final answer
    x = 51,802.81

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