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Finding the Fourth Proportional to 168.18, 232.19 and 150.67

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Solution

The fourth proportional to 168.18, 232.19 and 150.67 is: 208.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    168.18 : 232.19 = 150.67 : x
  2. Step 2: Convert to fraction form
    168.18/232.19 = 150.67/x
  3. Step 3: Cross multiply
    168.18x = 232.19 × 150.67
  4. Step 4: Simplify right side
    168.18x = 34,983.71
  5. Step 5: Solve for x
    x = 34,983.71/168.18
  6. Step 6: Final answer
    x = 208.01

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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.