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Finding the Fourth Proportional to 196.77, 295.20 and 94.02

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Solution

The fourth proportional to 196.77, 295.20 and 94.02 is: 141.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.77 : 295.20 = 94.02 : x
  2. Step 2: Convert to fraction form
    196.77/295.20 = 94.02/x
  3. Step 3: Cross multiply
    196.77x = 295.20 × 94.02
  4. Step 4: Simplify right side
    196.77x = 27,754.23
  5. Step 5: Solve for x
    x = 27,754.23/196.77
  6. Step 6: Final answer
    x = 141.05

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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.