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Finding the Fourth Proportional to 237.24, 356.42 and 141.12

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Solution

The fourth proportional to 237.24, 356.42 and 141.12 is: 212.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.24 : 356.42 = 141.12 : x
  2. Step 2: Convert to fraction form
    237.24/356.42 = 141.12/x
  3. Step 3: Cross multiply
    237.24x = 356.42 × 141.12
  4. Step 4: Simplify right side
    237.24x = 50,297.99
  5. Step 5: Solve for x
    x = 50,297.99/237.24
  6. Step 6: Final answer
    x = 212.01

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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.