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Finding the Fourth Proportional to 133.54, 184.33 and 84.44

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Solution

The fourth proportional to 133.54, 184.33 and 84.44 is: 116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.54 : 184.33 = 84.44 : x
  2. Step 2: Convert to fraction form
    133.54/184.33 = 84.44/x
  3. Step 3: Cross multiply
    133.54x = 184.33 × 84.44
  4. Step 4: Simplify right side
    133.54x = 15,565.39
  5. Step 5: Solve for x
    x = 15,565.39/133.54
  6. Step 6: Final answer
    x = 116.56

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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.