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Finding the Fourth Proportional to 185.29, 276.61 and 160.99

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Solution

The fourth proportional to 185.29, 276.61 and 160.99 is: 240.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    185.29 : 276.61 = 160.99 : x
  2. Step 2: Convert to fraction form
    185.29/276.61 = 160.99/x
  3. Step 3: Cross multiply
    185.29x = 276.61 × 160.99
  4. Step 4: Simplify right side
    185.29x = 44,531.44
  5. Step 5: Solve for x
    x = 44,531.44/185.29
  6. Step 6: Final answer
    x = 240.33

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.