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Finding the Fourth Proportional to 282.69, 424.17 and 160.92

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Solution

The fourth proportional to 282.69, 424.17 and 160.92 is: 241.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.69 : 424.17 = 160.92 : x
  2. Step 2: Convert to fraction form
    282.69/424.17 = 160.92/x
  3. Step 3: Cross multiply
    282.69x = 424.17 × 160.92
  4. Step 4: Simplify right side
    282.69x = 68,257.44
  5. Step 5: Solve for x
    x = 68,257.44/282.69
  6. Step 6: Final answer
    x = 241.46

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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.