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Finding the Fourth Proportional to 196.55, 294.83 and 93.54

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Solution

The fourth proportional to 196.55, 294.83 and 93.54 is: 140.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.55 : 294.83 = 93.54 : x
  2. Step 2: Convert to fraction form
    196.55/294.83 = 93.54/x
  3. Step 3: Cross multiply
    196.55x = 294.83 × 93.54
  4. Step 4: Simplify right side
    196.55x = 27,577.93
  5. Step 5: Solve for x
    x = 27,577.93/196.55
  6. Step 6: Final answer
    x = 140.31

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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.