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Finding the Fourth Proportional to 81,561.55, 122,329.23 and 22,383.40

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Solution

The fourth proportional to 81,561.55, 122,329.23 and 22,383.40 is: 33,571.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,561.55 : 122,329.23 = 22,383.40 : x
  2. Step 2: Convert to fraction form
    81,561.55/122,329.23 = 22,383.40/x
  3. Step 3: Cross multiply
    81,561.55x = 122,329.23 × 22,383.40
  4. Step 4: Simplify right side
    81,561.55x = 2,738,144,086.78
  5. Step 5: Solve for x
    x = 2,738,144,086.78/81,561.55
  6. Step 6: Final answer
    x = 33,571.51

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