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Finding the Fourth Proportional to 237.95, 356.90 and 161.04

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Solution

The fourth proportional to 237.95, 356.90 and 161.04 is: 241.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.95 : 356.90 = 161.04 : x
  2. Step 2: Convert to fraction form
    237.95/356.90 = 161.04/x
  3. Step 3: Cross multiply
    237.95x = 356.90 × 161.04
  4. Step 4: Simplify right side
    237.95x = 57,474.37
  5. Step 5: Solve for x
    x = 57,474.37/237.95
  6. Step 6: Final answer
    x = 241.54

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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.