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Finding the Fourth Proportional to 206.60, 284.45 and 182.62

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Solution

The fourth proportional to 206.60, 284.45 and 182.62 is: 251.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.60 : 284.45 = 182.62 : x
  2. Step 2: Convert to fraction form
    206.60/284.45 = 182.62/x
  3. Step 3: Cross multiply
    206.60x = 284.45 × 182.62
  4. Step 4: Simplify right side
    206.60x = 51,946.26
  5. Step 5: Solve for x
    x = 51,946.26/206.60
  6. Step 6: Final answer
    x = 251.43

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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.