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Finding the Fourth Proportional to 237.92, 356.74 and 156.62

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Solution

The fourth proportional to 237.92, 356.74 and 156.62 is: 234.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.92 : 356.74 = 156.62 : x
  2. Step 2: Convert to fraction form
    237.92/356.74 = 156.62/x
  3. Step 3: Cross multiply
    237.92x = 356.74 × 156.62
  4. Step 4: Simplify right side
    237.92x = 55,872.62
  5. Step 5: Solve for x
    x = 55,872.62/237.92
  6. Step 6: Final answer
    x = 234.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.