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Finding the Fourth Proportional to 53,538.80, 80,276.20 and 32,777.20

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Solution

The fourth proportional to 53,538.80, 80,276.20 and 32,777.20 is: 49,146.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,538.80 : 80,276.20 = 32,777.20 : x
  2. Step 2: Convert to fraction form
    53,538.80/80,276.20 = 32,777.20/x
  3. Step 3: Cross multiply
    53,538.80x = 80,276.20 × 32,777.20
  4. Step 4: Simplify right side
    53,538.80x = 2,631,229,062.64
  5. Step 5: Solve for x
    x = 2,631,229,062.64/53,538.80
  6. Step 6: Final answer
    x = 49,146.21

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