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Finding the Fourth Proportional to 196.44, 293.32 and 181.08

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Solution

The fourth proportional to 196.44, 293.32 and 181.08 is: 270.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.44 : 293.32 = 181.08 : x
  2. Step 2: Convert to fraction form
    196.44/293.32 = 181.08/x
  3. Step 3: Cross multiply
    196.44x = 293.32 × 181.08
  4. Step 4: Simplify right side
    196.44x = 53,114.39
  5. Step 5: Solve for x
    x = 53,114.39/196.44
  6. Step 6: Final answer
    x = 270.38

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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.