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Finding the Fourth Proportional to 333.30, 499.96 and 113.92

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Solution

The fourth proportional to 333.30, 499.96 and 113.92 is: 170.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.30 : 499.96 = 113.92 : x
  2. Step 2: Convert to fraction form
    333.30/499.96 = 113.92/x
  3. Step 3: Cross multiply
    333.30x = 499.96 × 113.92
  4. Step 4: Simplify right side
    333.30x = 56,955.44
  5. Step 5: Solve for x
    x = 56,955.44/333.30
  6. Step 6: Final answer
    x = 170.88

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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.