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Finding the Fourth Proportional to 196.48, 293.18 and 182.53

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Solution

The fourth proportional to 196.48, 293.18 and 182.53 is: 272.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.48 : 293.18 = 182.53 : x
  2. Step 2: Convert to fraction form
    196.48/293.18 = 182.53/x
  3. Step 3: Cross multiply
    196.48x = 293.18 × 182.53
  4. Step 4: Simplify right side
    196.48x = 53,514.15
  5. Step 5: Solve for x
    x = 53,514.15/196.48
  6. Step 6: Final answer
    x = 272.36

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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.