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Finding the Fourth Proportional to 166.95, 229.84 and 125.46

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Solution

The fourth proportional to 166.95, 229.84 and 125.46 is: 172.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.95 : 229.84 = 125.46 : x
  2. Step 2: Convert to fraction form
    166.95/229.84 = 125.46/x
  3. Step 3: Cross multiply
    166.95x = 229.84 × 125.46
  4. Step 4: Simplify right side
    166.95x = 28,835.73
  5. Step 5: Solve for x
    x = 28,835.73/166.95
  6. Step 6: Final answer
    x = 172.72

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.