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Finding the Fourth Proportional to 365.28, 548.16 and 148.96

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Solution

The fourth proportional to 365.28, 548.16 and 148.96 is: 223.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.28 : 548.16 = 148.96 : x
  2. Step 2: Convert to fraction form
    365.28/548.16 = 148.96/x
  3. Step 3: Cross multiply
    365.28x = 548.16 × 148.96
  4. Step 4: Simplify right side
    365.28x = 81,653.91
  5. Step 5: Solve for x
    x = 81,653.91/365.28
  6. Step 6: Final answer
    x = 223.54

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