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Finding the Fourth Proportional to 214.93, 296.60 and 116.69

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Solution

The fourth proportional to 214.93, 296.60 and 116.69 is: 161.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.93 : 296.60 = 116.69 : x
  2. Step 2: Convert to fraction form
    214.93/296.60 = 116.69/x
  3. Step 3: Cross multiply
    214.93x = 296.60 × 116.69
  4. Step 4: Simplify right side
    214.93x = 34,610.25
  5. Step 5: Solve for x
    x = 34,610.25/214.93
  6. Step 6: Final answer
    x = 161.03

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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.