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Finding the Fourth Proportional to 199.26, 297.27 and 180.63

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Solution

The fourth proportional to 199.26, 297.27 and 180.63 is: 269.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    199.26 : 297.27 = 180.63 : x
  2. Step 2: Convert to fraction form
    199.26/297.27 = 180.63/x
  3. Step 3: Cross multiply
    199.26x = 297.27 × 180.63
  4. Step 4: Simplify right side
    199.26x = 53,695.88
  5. Step 5: Solve for x
    x = 53,695.88/199.26
  6. Step 6: Final answer
    x = 269.48

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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.