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Finding the Fourth Proportional to 170.24, 255.29 and 62

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Solution

The fourth proportional to 170.24, 255.29 and 62 is: 92.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    170.24 : 255.29 = 62 : x
  2. Step 2: Convert to fraction form
    170.24/255.29 = 62/x
  3. Step 3: Cross multiply
    170.24x = 255.29 × 62
  4. Step 4: Simplify right side
    170.24x = 15,827.98
  5. Step 5: Solve for x
    x = 15,827.98/170.24
  6. Step 6: Final answer
    x = 92.97

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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.