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Finding the Fourth Proportional to 254.94, 382.50 and 110.67

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Solution

The fourth proportional to 254.94, 382.50 and 110.67 is: 166.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.94 : 382.50 = 110.67 : x
  2. Step 2: Convert to fraction form
    254.94/382.50 = 110.67/x
  3. Step 3: Cross multiply
    254.94x = 382.50 × 110.67
  4. Step 4: Simplify right side
    254.94x = 42,331.28
  5. Step 5: Solve for x
    x = 42,331.28/254.94
  6. Step 6: Final answer
    x = 166.04

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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.