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Finding the Fourth Proportional to 333.14, 499.60 and 110.72

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Solution

The fourth proportional to 333.14, 499.60 and 110.72 is: 166.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    333.14 : 499.60 = 110.72 : x
  2. Step 2: Convert to fraction form
    333.14/499.60 = 110.72/x
  3. Step 3: Cross multiply
    333.14x = 499.60 × 110.72
  4. Step 4: Simplify right side
    333.14x = 55,316.68
  5. Step 5: Solve for x
    x = 55,316.68/333.14
  6. Step 6: Final answer
    x = 166.05

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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.