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Finding the Fourth Proportional to 196.83, 294.44 and 156.33

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Solution

The fourth proportional to 196.83, 294.44 and 156.33 is: 233.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.83 : 294.44 = 156.33 : x
  2. Step 2: Convert to fraction form
    196.83/294.44 = 156.33/x
  3. Step 3: Cross multiply
    196.83x = 294.44 × 156.33
  4. Step 4: Simplify right side
    196.83x = 46,029.02
  5. Step 5: Solve for x
    x = 46,029.02/196.83
  6. Step 6: Final answer
    x = 233.85

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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.