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Finding the Fourth Proportional to 52,562.80, 78,844.20 and 43,231.60

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Solution

The fourth proportional to 52,562.80, 78,844.20 and 43,231.60 is: 64,847.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,562.80 : 78,844.20 = 43,231.60 : x
  2. Step 2: Convert to fraction form
    52,562.80/78,844.20 = 43,231.60/x
  3. Step 3: Cross multiply
    52,562.80x = 78,844.20 × 43,231.60
  4. Step 4: Simplify right side
    52,562.80x = 3,408,560,916.72
  5. Step 5: Solve for x
    x = 3,408,560,916.72/52,562.80
  6. Step 6: Final answer
    x = 64,847.40

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