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Finding the Fourth Proportional to 196.65, 294.93 and 93.99

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Solution

The fourth proportional to 196.65, 294.93 and 93.99 is: 140.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.65 : 294.93 = 93.99 : x
  2. Step 2: Convert to fraction form
    196.65/294.93 = 93.99/x
  3. Step 3: Cross multiply
    196.65x = 294.93 × 93.99
  4. Step 4: Simplify right side
    196.65x = 27,720.47
  5. Step 5: Solve for x
    x = 27,720.47/196.65
  6. Step 6: Final answer
    x = 140.96

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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.