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Finding the Fourth Proportional to 133.99, 185.01 and 92.68

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Solution

The fourth proportional to 133.99, 185.01 and 92.68 is: 127.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.99 : 185.01 = 92.68 : x
  2. Step 2: Convert to fraction form
    133.99/185.01 = 92.68/x
  3. Step 3: Cross multiply
    133.99x = 185.01 × 92.68
  4. Step 4: Simplify right side
    133.99x = 17,146.73
  5. Step 5: Solve for x
    x = 17,146.73/133.99
  6. Step 6: Final answer
    x = 127.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.