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Finding the Fourth Proportional to 196.77, 295.16 and 136.02

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Solution

The fourth proportional to 196.77, 295.16 and 136.02 is: 204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.77 : 295.16 = 136.02 : x
  2. Step 2: Convert to fraction form
    196.77/295.16 = 136.02/x
  3. Step 3: Cross multiply
    196.77x = 295.16 × 136.02
  4. Step 4: Simplify right side
    196.77x = 40,146.98
  5. Step 5: Solve for x
    x = 40,146.98/196.77
  6. Step 6: Final answer
    x = 204.03

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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.