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Finding the Fourth Proportional to 196.40, 269.27 and 192.93

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Solution

The fourth proportional to 196.40, 269.27 and 192.93 is: 264.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.40 : 269.27 = 192.93 : x
  2. Step 2: Convert to fraction form
    196.40/269.27 = 192.93/x
  3. Step 3: Cross multiply
    196.40x = 269.27 × 192.93
  4. Step 4: Simplify right side
    196.40x = 51,949.30
  5. Step 5: Solve for x
    x = 51,949.30/196.40
  6. Step 6: Final answer
    x = 264.51

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.