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Finding the Fourth Proportional to 134.92, 186.33 and 133.84

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Solution

The fourth proportional to 134.92, 186.33 and 133.84 is: 184.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    134.92 : 186.33 = 133.84 : x
  2. Step 2: Convert to fraction form
    134.92/186.33 = 133.84/x
  3. Step 3: Cross multiply
    134.92x = 186.33 × 133.84
  4. Step 4: Simplify right side
    134.92x = 24,938.41
  5. Step 5: Solve for x
    x = 24,938.41/134.92
  6. Step 6: Final answer
    x = 184.84

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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.