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Finding the Fourth Proportional to 133.49, 184.25 and 92.11

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Solution

The fourth proportional to 133.49, 184.25 and 92.11 is: 127.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.49 : 184.25 = 92.11 : x
  2. Step 2: Convert to fraction form
    133.49/184.25 = 92.11/x
  3. Step 3: Cross multiply
    133.49x = 184.25 × 92.11
  4. Step 4: Simplify right side
    133.49x = 16,970.35
  5. Step 5: Solve for x
    x = 16,970.35/133.49
  6. Step 6: Final answer
    x = 127.13

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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.