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Finding the Fourth Proportional to 333.10, 499.65 and 113.73

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Solution

The fourth proportional to 333.10, 499.65 and 113.73 is: 170.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.10 : 499.65 = 113.73 : x
  2. Step 2: Convert to fraction form
    333.10/499.65 = 113.73/x
  3. Step 3: Cross multiply
    333.10x = 499.65 × 113.73
  4. Step 4: Simplify right side
    333.10x = 56,825.19
  5. Step 5: Solve for x
    x = 56,825.19/333.10
  6. Step 6: Final answer
    x = 170.60

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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.