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Finding the Fourth Proportional to 54,580.73, 81,871.09 and 15,137.84

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Solution

The fourth proportional to 54,580.73, 81,871.09 and 15,137.84 is: 22,706.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,580.73 : 81,871.09 = 15,137.84 : x
  2. Step 2: Convert to fraction form
    54,580.73/81,871.09 = 15,137.84/x
  3. Step 3: Cross multiply
    54,580.73x = 81,871.09 × 15,137.84
  4. Step 4: Simplify right side
    54,580.73x = 1,239,351,627.88
  5. Step 5: Solve for x
    x = 1,239,351,627.88/54,580.73
  6. Step 6: Final answer
    x = 22,706.76

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