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Finding the Fourth Proportional to 365.16, 548.08 and 134.27

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Solution

The fourth proportional to 365.16, 548.08 and 134.27 is: 201.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    365.16 : 548.08 = 134.27 : x
  2. Step 2: Convert to fraction form
    365.16/548.08 = 134.27/x
  3. Step 3: Cross multiply
    365.16x = 548.08 × 134.27
  4. Step 4: Simplify right side
    365.16x = 73,590.70
  5. Step 5: Solve for x
    x = 73,590.70/365.16
  6. Step 6: Final answer
    x = 201.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.