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Finding the Fourth Proportional to 196.19, 293.94 and 104.93

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Solution

The fourth proportional to 196.19, 293.94 and 104.93 is: 157.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.19 : 293.94 = 104.93 : x
  2. Step 2: Convert to fraction form
    196.19/293.94 = 104.93/x
  3. Step 3: Cross multiply
    196.19x = 293.94 × 104.93
  4. Step 4: Simplify right side
    196.19x = 30,843.12
  5. Step 5: Solve for x
    x = 30,843.12/196.19
  6. Step 6: Final answer
    x = 157.21

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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.