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Finding the Fourth Proportional to 206.07, 283.73 and 174.88

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Solution

The fourth proportional to 206.07, 283.73 and 174.88 is: 240.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    206.07 : 283.73 = 174.88 : x
  2. Step 2: Convert to fraction form
    206.07/283.73 = 174.88/x
  3. Step 3: Cross multiply
    206.07x = 283.73 × 174.88
  4. Step 4: Simplify right side
    206.07x = 49,618.70
  5. Step 5: Solve for x
    x = 49,618.70/206.07
  6. Step 6: Final answer
    x = 240.79

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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.