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Finding the Fourth Proportional to 133.29, 199.97 and 96.41

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Solution

The fourth proportional to 133.29, 199.97 and 96.41 is: 144.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.29 : 199.97 = 96.41 : x
  2. Step 2: Convert to fraction form
    133.29/199.97 = 96.41/x
  3. Step 3: Cross multiply
    133.29x = 199.97 × 96.41
  4. Step 4: Simplify right side
    133.29x = 19,277.63
  5. Step 5: Solve for x
    x = 19,277.63/133.29
  6. Step 6: Final answer
    x = 144.63

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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.