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Finding the Fourth Proportional to 54,433.80, 81,650.70 and 48,558.60

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Solution

The fourth proportional to 54,433.80, 81,650.70 and 48,558.60 is: 72,837.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,433.80 : 81,650.70 = 48,558.60 : x
  2. Step 2: Convert to fraction form
    54,433.80/81,650.70 = 48,558.60/x
  3. Step 3: Cross multiply
    54,433.80x = 81,650.70 × 48,558.60
  4. Step 4: Simplify right side
    54,433.80x = 3,964,843,681.02
  5. Step 5: Solve for x
    x = 3,964,843,681.02/54,433.80
  6. Step 6: Final answer
    x = 72,837.90

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