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Finding the Fourth Proportional to 133.92, 184.84 and 92.49

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Solution

The fourth proportional to 133.92, 184.84 and 92.49 is: 127.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.92 : 184.84 = 92.49 : x
  2. Step 2: Convert to fraction form
    133.92/184.84 = 92.49/x
  3. Step 3: Cross multiply
    133.92x = 184.84 × 92.49
  4. Step 4: Simplify right side
    133.92x = 17,095.85
  5. Step 5: Solve for x
    x = 17,095.85/133.92
  6. Step 6: Final answer
    x = 127.66

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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.