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Finding the Fourth Proportional to 114.24, 171.40 and 37.22

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Solution

The fourth proportional to 114.24, 171.40 and 37.22 is: 55.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    114.24 : 171.40 = 37.22 : x
  2. Step 2: Convert to fraction form
    114.24/171.40 = 37.22/x
  3. Step 3: Cross multiply
    114.24x = 171.40 × 37.22
  4. Step 4: Simplify right side
    114.24x = 6,378.56
  5. Step 5: Solve for x
    x = 6,378.56/114.24
  6. Step 6: Final answer
    x = 55.83

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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.