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Finding the Fourth Proportional to 196.75, 295.44 and 188.07

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Solution

The fourth proportional to 196.75, 295.44 and 188.07 is: 282.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    196.75 : 295.44 = 188.07 : x
  2. Step 2: Convert to fraction form
    196.75/295.44 = 188.07/x
  3. Step 3: Cross multiply
    196.75x = 295.44 × 188.07
  4. Step 4: Simplify right side
    196.75x = 55,563.40
  5. Step 5: Solve for x
    x = 55,563.40/196.75
  6. Step 6: Final answer
    x = 282.41

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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.