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Finding the Fourth Proportional to 166.46, 229.50 and 114.03

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Solution

The fourth proportional to 166.46, 229.50 and 114.03 is: 157.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    166.46 : 229.50 = 114.03 : x
  2. Step 2: Convert to fraction form
    166.46/229.50 = 114.03/x
  3. Step 3: Cross multiply
    166.46x = 229.50 × 114.03
  4. Step 4: Simplify right side
    166.46x = 26,169.89
  5. Step 5: Solve for x
    x = 26,169.89/166.46
  6. Step 6: Final answer
    x = 157.22

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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.