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Finding the Fourth Proportional to 114.44, 156.82 and 110.66

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Solution

The fourth proportional to 114.44, 156.82 and 110.66 is: 151.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.44 : 156.82 = 110.66 : x
  2. Step 2: Convert to fraction form
    114.44/156.82 = 110.66/x
  3. Step 3: Cross multiply
    114.44x = 156.82 × 110.66
  4. Step 4: Simplify right side
    114.44x = 17,353.70
  5. Step 5: Solve for x
    x = 17,353.70/114.44
  6. Step 6: Final answer
    x = 151.64

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.