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Finding the Fourth Proportional to 217,747.60, 326,621.40 and 161,760.40

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Solution

The fourth proportional to 217,747.60, 326,621.40 and 161,760.40 is: 242,640.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,747.60 : 326,621.40 = 161,760.40 : x
  2. Step 2: Convert to fraction form
    217,747.60/326,621.40 = 161,760.40/x
  3. Step 3: Cross multiply
    217,747.60x = 326,621.40 × 161,760.40
  4. Step 4: Simplify right side
    217,747.60x = 52,834,408,312.56
  5. Step 5: Solve for x
    x = 52,834,408,312.56/217,747.60
  6. Step 6: Final answer
    x = 242,640.60

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