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Finding the Fourth Proportional to 133.74, 184.66 and 110.42

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Solution

The fourth proportional to 133.74, 184.66 and 110.42 is: 152.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    133.74 : 184.66 = 110.42 : x
  2. Step 2: Convert to fraction form
    133.74/184.66 = 110.42/x
  3. Step 3: Cross multiply
    133.74x = 184.66 × 110.42
  4. Step 4: Simplify right side
    133.74x = 20,390.16
  5. Step 5: Solve for x
    x = 20,390.16/133.74
  6. Step 6: Final answer
    x = 152.46

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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.