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Finding the Fourth Proportional to 224.78, 336.30 and 147.93

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Solution

The fourth proportional to 224.78, 336.30 and 147.93 is: 221.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    224.78 : 336.30 = 147.93 : x
  2. Step 2: Convert to fraction form
    224.78/336.30 = 147.93/x
  3. Step 3: Cross multiply
    224.78x = 336.30 × 147.93
  4. Step 4: Simplify right side
    224.78x = 49,747.88
  5. Step 5: Solve for x
    x = 49,747.88/224.78
  6. Step 6: Final answer
    x = 221.32

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