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Finding the Fourth Proportional to 254.73, 382.10 and 110.45

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Solution

The fourth proportional to 254.73, 382.10 and 110.45 is: 165.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    254.73 : 382.10 = 110.45 : x
  2. Step 2: Convert to fraction form
    254.73/382.10 = 110.45/x
  3. Step 3: Cross multiply
    254.73x = 382.10 × 110.45
  4. Step 4: Simplify right side
    254.73x = 42,200.48
  5. Step 5: Solve for x
    x = 42,200.48/254.73
  6. Step 6: Final answer
    x = 165.67

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.