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Finding the Fourth Proportional to 282.71, 424.16 and 167.27

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Solution

The fourth proportional to 282.71, 424.16 and 167.27 is: 250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.71 : 424.16 = 167.27 : x
  2. Step 2: Convert to fraction form
    282.71/424.16 = 167.27/x
  3. Step 3: Cross multiply
    282.71x = 424.16 × 167.27
  4. Step 4: Simplify right side
    282.71x = 70,946.82
  5. Step 5: Solve for x
    x = 70,946.82/282.71
  6. Step 6: Final answer
    x = 250.95

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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.