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Finding the Fourth Proportional to 283.26, 424.76 and 109.96

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Solution

The fourth proportional to 283.26, 424.76 and 109.96 is: 164.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    283.26 : 424.76 = 109.96 : x
  2. Step 2: Convert to fraction form
    283.26/424.76 = 109.96/x
  3. Step 3: Cross multiply
    283.26x = 424.76 × 109.96
  4. Step 4: Simplify right side
    283.26x = 46,706.61
  5. Step 5: Solve for x
    x = 46,706.61/283.26
  6. Step 6: Final answer
    x = 164.89

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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.