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Finding the Fourth Proportional to 196.06, 293.88 and 123.94

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Solution

The fourth proportional to 196.06, 293.88 and 123.94 is: 185.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.06 : 293.88 = 123.94 : x
  2. Step 2: Convert to fraction form
    196.06/293.88 = 123.94/x
  3. Step 3: Cross multiply
    196.06x = 293.88 × 123.94
  4. Step 4: Simplify right side
    196.06x = 36,423.49
  5. Step 5: Solve for x
    x = 36,423.49/196.06
  6. Step 6: Final answer
    x = 185.78

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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.