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Finding the Fourth Proportional to 262.44, 393.42 and 134.04

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Solution

The fourth proportional to 262.44, 393.42 and 134.04 is: 200.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    262.44 : 393.42 = 134.04 : x
  2. Step 2: Convert to fraction form
    262.44/393.42 = 134.04/x
  3. Step 3: Cross multiply
    262.44x = 393.42 × 134.04
  4. Step 4: Simplify right side
    262.44x = 52,734.02
  5. Step 5: Solve for x
    x = 52,734.02/262.44
  6. Step 6: Final answer
    x = 200.94

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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.