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Finding the Fourth Proportional to 295.76, 443.58 and 131.14

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Solution

The fourth proportional to 295.76, 443.58 and 131.14 is: 196.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    295.76 : 443.58 = 131.14 : x
  2. Step 2: Convert to fraction form
    295.76/443.58 = 131.14/x
  3. Step 3: Cross multiply
    295.76x = 443.58 × 131.14
  4. Step 4: Simplify right side
    295.76x = 58,171.98
  5. Step 5: Solve for x
    x = 58,171.98/295.76
  6. Step 6: Final answer
    x = 196.68

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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.