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Finding the Fourth Proportional to 217,767.60, 326,496.96 and 84,535.56

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Solution

The fourth proportional to 217,767.60, 326,496.96 and 84,535.56 is: 126,743.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,767.60 : 326,496.96 = 84,535.56 : x
  2. Step 2: Convert to fraction form
    217,767.60/326,496.96 = 84,535.56/x
  3. Step 3: Cross multiply
    217,767.60x = 326,496.96 × 84,535.56
  4. Step 4: Simplify right side
    217,767.60x = 27,600,603,351.90
  5. Step 5: Solve for x
    x = 27,600,603,351.90/217,767.60
  6. Step 6: Final answer
    x = 126,743.39

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