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Finding the Fourth Proportional to 214.54, 296.06 and 116.29

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Solution

The fourth proportional to 214.54, 296.06 and 116.29 is: 160.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.54 : 296.06 = 116.29 : x
  2. Step 2: Convert to fraction form
    214.54/296.06 = 116.29/x
  3. Step 3: Cross multiply
    214.54x = 296.06 × 116.29
  4. Step 4: Simplify right side
    214.54x = 34,429.56
  5. Step 5: Solve for x
    x = 34,429.56/214.54
  6. Step 6: Final answer
    x = 160.48

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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.