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Finding the Fourth Proportional to 57,770.80, 86,656.20 and 32,801.20

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Solution

The fourth proportional to 57,770.80, 86,656.20 and 32,801.20 is: 49,201.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,770.80 : 86,656.20 = 32,801.20 : x
  2. Step 2: Convert to fraction form
    57,770.80/86,656.20 = 32,801.20/x
  3. Step 3: Cross multiply
    57,770.80x = 86,656.20 × 32,801.20
  4. Step 4: Simplify right side
    57,770.80x = 2,842,427,347.44
  5. Step 5: Solve for x
    x = 2,842,427,347.44/57,770.80
  6. Step 6: Final answer
    x = 49,201.80

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