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Finding the Fourth Proportional to 133.61, 184.24 and 92.14

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Solution

The fourth proportional to 133.61, 184.24 and 92.14 is: 127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.61 : 184.24 = 92.14 : x
  2. Step 2: Convert to fraction form
    133.61/184.24 = 92.14/x
  3. Step 3: Cross multiply
    133.61x = 184.24 × 92.14
  4. Step 4: Simplify right side
    133.61x = 16,976.56
  5. Step 5: Solve for x
    x = 16,976.56/133.61
  6. Step 6: Final answer
    x = 127.07

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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.