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Finding the Fourth Proportional to 133.84, 200.82 and 133.44

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Solution

The fourth proportional to 133.84, 200.82 and 133.44 is: 200.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.84 : 200.82 = 133.44 : x
  2. Step 2: Convert to fraction form
    133.84/200.82 = 133.44/x
  3. Step 3: Cross multiply
    133.84x = 200.82 × 133.44
  4. Step 4: Simplify right side
    133.84x = 26,797.42
  5. Step 5: Solve for x
    x = 26,797.42/133.84
  6. Step 6: Final answer
    x = 200.22

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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.