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Finding the Fourth Proportional to 214.43, 295.91 and 116.18

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Solution

The fourth proportional to 214.43, 295.91 and 116.18 is: 160.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.43 : 295.91 = 116.18 : x
  2. Step 2: Convert to fraction form
    214.43/295.91 = 116.18/x
  3. Step 3: Cross multiply
    214.43x = 295.91 × 116.18
  4. Step 4: Simplify right side
    214.43x = 34,379.56
  5. Step 5: Solve for x
    x = 34,379.56/214.43
  6. Step 6: Final answer
    x = 160.33

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Why These Related Problems?

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