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Finding the Fourth Proportional to 131.01, 196.46 and 44.33

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Solution

The fourth proportional to 131.01, 196.46 and 44.33 is: 66.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    131.01 : 196.46 = 44.33 : x
  2. Step 2: Convert to fraction form
    131.01/196.46 = 44.33/x
  3. Step 3: Cross multiply
    131.01x = 196.46 × 44.33
  4. Step 4: Simplify right side
    131.01x = 8,708.20
  5. Step 5: Solve for x
    x = 8,708.20/131.01
  6. Step 6: Final answer
    x = 66.47

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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.