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Finding the Fourth Proportional to 295.82, 443.37 and 131.12

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Solution

The fourth proportional to 295.82, 443.37 and 131.12 is: 196.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.82 : 443.37 = 131.12 : x
  2. Step 2: Convert to fraction form
    295.82/443.37 = 131.12/x
  3. Step 3: Cross multiply
    295.82x = 443.37 × 131.12
  4. Step 4: Simplify right side
    295.82x = 58,134.67
  5. Step 5: Solve for x
    x = 58,134.67/295.82
  6. Step 6: Final answer
    x = 196.52

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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.