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Finding the Fourth Proportional to 282.87, 424.43 and 167.37

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Solution

The fourth proportional to 282.87, 424.43 and 167.37 is: 251.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.87 : 424.43 = 167.37 : x
  2. Step 2: Convert to fraction form
    282.87/424.43 = 167.37/x
  3. Step 3: Cross multiply
    282.87x = 424.43 × 167.37
  4. Step 4: Simplify right side
    282.87x = 71,036.01
  5. Step 5: Solve for x
    x = 71,036.01/282.87
  6. Step 6: Final answer
    x = 251.13

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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.