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Finding the Fourth Proportional to 237.49, 356.24 and 134.81

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Solution

The fourth proportional to 237.49, 356.24 and 134.81 is: 202.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.49 : 356.24 = 134.81 : x
  2. Step 2: Convert to fraction form
    237.49/356.24 = 134.81/x
  3. Step 3: Cross multiply
    237.49x = 356.24 × 134.81
  4. Step 4: Simplify right side
    237.49x = 48,024.26
  5. Step 5: Solve for x
    x = 48,024.26/237.49
  6. Step 6: Final answer
    x = 202.21

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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.