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Finding the Fourth Proportional to 166.95, 250.54 and 114.76

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Solution

The fourth proportional to 166.95, 250.54 and 114.76 is: 172.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.95 : 250.54 = 114.76 : x
  2. Step 2: Convert to fraction form
    166.95/250.54 = 114.76/x
  3. Step 3: Cross multiply
    166.95x = 250.54 × 114.76
  4. Step 4: Simplify right side
    166.95x = 28,751.97
  5. Step 5: Solve for x
    x = 28,751.97/166.95
  6. Step 6: Final answer
    x = 172.22

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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.