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Finding the Fourth Proportional to 43,504.34, 65,149.65 and 21,245.94

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Solution

The fourth proportional to 43,504.34, 65,149.65 and 21,245.94 is: 31,816.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,504.34 : 65,149.65 = 21,245.94 : x
  2. Step 2: Convert to fraction form
    43,504.34/65,149.65 = 21,245.94/x
  3. Step 3: Cross multiply
    43,504.34x = 65,149.65 × 21,245.94
  4. Step 4: Simplify right side
    43,504.34x = 1,384,165,554.92
  5. Step 5: Solve for x
    x = 1,384,165,554.92/43,504.34
  6. Step 6: Final answer
    x = 31,816.73

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