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Finding the Fourth Proportional to 214.79, 296.26 and 179.82

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Solution

The fourth proportional to 214.79, 296.26 and 179.82 is: 248.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    214.79 : 296.26 = 179.82 : x
  2. Step 2: Convert to fraction form
    214.79/296.26 = 179.82/x
  3. Step 3: Cross multiply
    214.79x = 296.26 × 179.82
  4. Step 4: Simplify right side
    214.79x = 53,273.02
  5. Step 5: Solve for x
    x = 53,273.02/214.79
  6. Step 6: Final answer
    x = 248.03

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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.