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Finding the Fourth Proportional to 282.93, 423.48 and 167.09

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Solution

The fourth proportional to 282.93, 423.48 and 167.09 is: 250.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    282.93 : 423.48 = 167.09 : x
  2. Step 2: Convert to fraction form
    282.93/423.48 = 167.09/x
  3. Step 3: Cross multiply
    282.93x = 423.48 × 167.09
  4. Step 4: Simplify right side
    282.93x = 70,757.78
  5. Step 5: Solve for x
    x = 70,757.78/282.93
  6. Step 6: Final answer
    x = 250.09

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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.