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Finding the Fourth Proportional to 69,408.78, 104,132.61 and 27,884.94

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Solution

The fourth proportional to 69,408.78, 104,132.61 and 27,884.94 is: 41,835.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,408.78 : 104,132.61 = 27,884.94 : x
  2. Step 2: Convert to fraction form
    69,408.78/104,132.61 = 27,884.94/x
  3. Step 3: Cross multiply
    69,408.78x = 104,132.61 × 27,884.94
  4. Step 4: Simplify right side
    69,408.78x = 2,903,731,581.89
  5. Step 5: Solve for x
    x = 2,903,731,581.89/69,408.78
  6. Step 6: Final answer
    x = 41,835.22

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