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Finding the Fourth Proportional to 196.52, 295.32 and 191.66

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Solution

The fourth proportional to 196.52, 295.32 and 191.66 is: 288.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.52 : 295.32 = 191.66 : x
  2. Step 2: Convert to fraction form
    196.52/295.32 = 191.66/x
  3. Step 3: Cross multiply
    196.52x = 295.32 × 191.66
  4. Step 4: Simplify right side
    196.52x = 56,601.03
  5. Step 5: Solve for x
    x = 56,601.03/196.52
  6. Step 6: Final answer
    x = 288.02

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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.