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Finding the Fourth Proportional to 43,768.80, 65,647.73 and 12,181.23

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Solution

The fourth proportional to 43,768.80, 65,647.73 and 12,181.23 is: 18,270.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,768.80 : 65,647.73 = 12,181.23 : x
  2. Step 2: Convert to fraction form
    43,768.80/65,647.73 = 12,181.23/x
  3. Step 3: Cross multiply
    43,768.80x = 65,647.73 × 12,181.23
  4. Step 4: Simplify right side
    43,768.80x = 799,670,037.20
  5. Step 5: Solve for x
    x = 799,670,037.20/43,768.80
  6. Step 6: Final answer
    x = 18,270.32

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