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Finding the Fourth Proportional to 214.26, 295.68 and 126.91

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Solution

The fourth proportional to 214.26, 295.68 and 126.91 is: 175.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.26 : 295.68 = 126.91 : x
  2. Step 2: Convert to fraction form
    214.26/295.68 = 126.91/x
  3. Step 3: Cross multiply
    214.26x = 295.68 × 126.91
  4. Step 4: Simplify right side
    214.26x = 37,524.75
  5. Step 5: Solve for x
    x = 37,524.75/214.26
  6. Step 6: Final answer
    x = 175.14

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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.