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Finding the Fourth Proportional to 283.82, 425.70 and 168.03

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Solution

The fourth proportional to 283.82, 425.70 and 168.03 is: 252.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.82 : 425.70 = 168.03 : x
  2. Step 2: Convert to fraction form
    283.82/425.70 = 168.03/x
  3. Step 3: Cross multiply
    283.82x = 425.70 × 168.03
  4. Step 4: Simplify right side
    283.82x = 71,530.37
  5. Step 5: Solve for x
    x = 71,530.37/283.82
  6. Step 6: Final answer
    x = 252.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.