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Finding the Fourth Proportional to 131.63, 197.44 and 44.96

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Solution

The fourth proportional to 131.63, 197.44 and 44.96 is: 67.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.63 : 197.44 = 44.96 : x
  2. Step 2: Convert to fraction form
    131.63/197.44 = 44.96/x
  3. Step 3: Cross multiply
    131.63x = 197.44 × 44.96
  4. Step 4: Simplify right side
    131.63x = 8,875.80
  5. Step 5: Solve for x
    x = 8,875.80/131.63
  6. Step 6: Final answer
    x = 67.43

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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.