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Finding the Fourth Proportional to 133.52, 184.26 and 84.46

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Solution

The fourth proportional to 133.52, 184.26 and 84.46 is: 116.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.52 : 184.26 = 84.46 : x
  2. Step 2: Convert to fraction form
    133.52/184.26 = 84.46/x
  3. Step 3: Cross multiply
    133.52x = 184.26 × 84.46
  4. Step 4: Simplify right side
    133.52x = 15,562.60
  5. Step 5: Solve for x
    x = 15,562.60/133.52
  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.