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Finding the Fourth Proportional to 196.06, 293.94 and 74.32

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Solution

The fourth proportional to 196.06, 293.94 and 74.32 is: 111.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.06 : 293.94 = 74.32 : x
  2. Step 2: Convert to fraction form
    196.06/293.94 = 74.32/x
  3. Step 3: Cross multiply
    196.06x = 293.94 × 74.32
  4. Step 4: Simplify right side
    196.06x = 21,845.62
  5. Step 5: Solve for x
    x = 21,845.62/196.06
  6. Step 6: Final answer
    x = 111.42

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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.