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Finding the Fourth Proportional to 196.23, 294.29 and 181.59

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Solution

The fourth proportional to 196.23, 294.29 and 181.59 is: 272.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.23 : 294.29 = 181.59 : x
  2. Step 2: Convert to fraction form
    196.23/294.29 = 181.59/x
  3. Step 3: Cross multiply
    196.23x = 294.29 × 181.59
  4. Step 4: Simplify right side
    196.23x = 53,439.21
  5. Step 5: Solve for x
    x = 53,439.21/196.23
  6. Step 6: Final answer
    x = 272.33

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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.