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Finding the Fourth Proportional to 114.26, 171.37 and 37.22

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Solution

The fourth proportional to 114.26, 171.37 and 37.22 is: 55.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.26 : 171.37 = 37.22 : x
  2. Step 2: Convert to fraction form
    114.26/171.37 = 37.22/x
  3. Step 3: Cross multiply
    114.26x = 171.37 × 37.22
  4. Step 4: Simplify right side
    114.26x = 6,377.58
  5. Step 5: Solve for x
    x = 6,377.58/114.26
  6. Step 6: Final answer
    x = 55.82

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.