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Finding the Fourth Proportional to 104,496.80, 156,745.20 and 55,344.80

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Solution

The fourth proportional to 104,496.80, 156,745.20 and 55,344.80 is: 83,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,496.80 : 156,745.20 = 55,344.80 : x
  2. Step 2: Convert to fraction form
    104,496.80/156,745.20 = 55,344.80/x
  3. Step 3: Cross multiply
    104,496.80x = 156,745.20 × 55,344.80
  4. Step 4: Simplify right side
    104,496.80x = 8,675,031,744.96
  5. Step 5: Solve for x
    x = 8,675,031,744.96/104,496.80
  6. Step 6: Final answer
    x = 83,017.20

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