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Finding the Fourth Proportional to 214.63, 296.19 and 116.38

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Solution

The fourth proportional to 214.63, 296.19 and 116.38 is: 160.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.63 : 296.19 = 116.38 : x
  2. Step 2: Convert to fraction form
    214.63/296.19 = 116.38/x
  3. Step 3: Cross multiply
    214.63x = 296.19 × 116.38
  4. Step 4: Simplify right side
    214.63x = 34,471.76
  5. Step 5: Solve for x
    x = 34,471.76/214.63
  6. Step 6: Final answer
    x = 160.61

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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.