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Finding the Fourth Proportional to 151.27, 208.22 and 141.85

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Solution

The fourth proportional to 151.27, 208.22 and 141.85 is: 195.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    151.27 : 208.22 = 141.85 : x
  2. Step 2: Convert to fraction form
    151.27/208.22 = 141.85/x
  3. Step 3: Cross multiply
    151.27x = 208.22 × 141.85
  4. Step 4: Simplify right side
    151.27x = 29,536.36
  5. Step 5: Solve for x
    x = 29,536.36/151.27
  6. Step 6: Final answer
    x = 195.26

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.