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Finding the Fourth Proportional to 196.75, 295.08 and 73.36

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Solution

The fourth proportional to 196.75, 295.08 and 73.36 is: 110.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.75 : 295.08 = 73.36 : x
  2. Step 2: Convert to fraction form
    196.75/295.08 = 73.36/x
  3. Step 3: Cross multiply
    196.75x = 295.08 × 73.36
  4. Step 4: Simplify right side
    196.75x = 21,647.07
  5. Step 5: Solve for x
    x = 21,647.07/196.75
  6. Step 6: Final answer
    x = 110.02

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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.