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Finding the Fourth Proportional to 196.82, 293.71 and 176.32

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Solution

The fourth proportional to 196.82, 293.71 and 176.32 is: 263.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.82 : 293.71 = 176.32 : x
  2. Step 2: Convert to fraction form
    196.82/293.71 = 176.32/x
  3. Step 3: Cross multiply
    196.82x = 293.71 × 176.32
  4. Step 4: Simplify right side
    196.82x = 51,786.95
  5. Step 5: Solve for x
    x = 51,786.95/196.82
  6. Step 6: Final answer
    x = 263.12

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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.