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Finding the Fourth Proportional to 166.46, 229.56 and 110.35

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Solution

The fourth proportional to 166.46, 229.56 and 110.35 is: 152.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.46 : 229.56 = 110.35 : x
  2. Step 2: Convert to fraction form
    166.46/229.56 = 110.35/x
  3. Step 3: Cross multiply
    166.46x = 229.56 × 110.35
  4. Step 4: Simplify right side
    166.46x = 25,330.80
  5. Step 5: Solve for x
    x = 25,330.80/166.46
  6. Step 6: Final answer
    x = 152.17

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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.