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Finding the Fourth Proportional to 196.52, 294.30 and 124.16

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Solution

The fourth proportional to 196.52, 294.30 and 124.16 is: 185.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.52 : 294.30 = 124.16 : x
  2. Step 2: Convert to fraction form
    196.52/294.30 = 124.16/x
  3. Step 3: Cross multiply
    196.52x = 294.30 × 124.16
  4. Step 4: Simplify right side
    196.52x = 36,540.29
  5. Step 5: Solve for x
    x = 36,540.29/196.52
  6. Step 6: Final answer
    x = 185.94

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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.