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Finding the Fourth Proportional to 242.08, 334.20 and 168.46

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Solution

The fourth proportional to 242.08, 334.20 and 168.46 is: 232.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    242.08 : 334.20 = 168.46 : x
  2. Step 2: Convert to fraction form
    242.08/334.20 = 168.46/x
  3. Step 3: Cross multiply
    242.08x = 334.20 × 168.46
  4. Step 4: Simplify right side
    242.08x = 56,299.33
  5. Step 5: Solve for x
    x = 56,299.33/242.08
  6. Step 6: Final answer
    x = 232.56

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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.