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Finding the Fourth Proportional to 196.76, 295.18 and 73.35

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Solution

The fourth proportional to 196.76, 295.18 and 73.35 is: 110.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.76 : 295.18 = 73.35 : x
  2. Step 2: Convert to fraction form
    196.76/295.18 = 73.35/x
  3. Step 3: Cross multiply
    196.76x = 295.18 × 73.35
  4. Step 4: Simplify right side
    196.76x = 21,651.45
  5. Step 5: Solve for x
    x = 21,651.45/196.76
  6. Step 6: Final answer
    x = 110.04

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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.