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Finding the Fourth Proportional to 133.62, 200.44 and 46.94

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Solution

The fourth proportional to 133.62, 200.44 and 46.94 is: 70.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.62 : 200.44 = 46.94 : x
  2. Step 2: Convert to fraction form
    133.62/200.44 = 46.94/x
  3. Step 3: Cross multiply
    133.62x = 200.44 × 46.94
  4. Step 4: Simplify right side
    133.62x = 9,408.65
  5. Step 5: Solve for x
    x = 9,408.65/133.62
  6. Step 6: Final answer
    x = 70.41

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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.