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Finding the Fourth Proportional to 193.91, 290.88 and 96.44

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Solution

The fourth proportional to 193.91, 290.88 and 96.44 is: 144.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    193.91 : 290.88 = 96.44 : x
  2. Step 2: Convert to fraction form
    193.91/290.88 = 96.44/x
  3. Step 3: Cross multiply
    193.91x = 290.88 × 96.44
  4. Step 4: Simplify right side
    193.91x = 28,051.01
  5. Step 5: Solve for x
    x = 28,051.01/193.91
  6. Step 6: Final answer
    x = 144.66

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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.