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Finding the Fourth Proportional to 237.46, 356.42 and 121.94

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Solution

The fourth proportional to 237.46, 356.42 and 121.94 is: 183.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.46 : 356.42 = 121.94 : x
  2. Step 2: Convert to fraction form
    237.46/356.42 = 121.94/x
  3. Step 3: Cross multiply
    237.46x = 356.42 × 121.94
  4. Step 4: Simplify right side
    237.46x = 43,461.85
  5. Step 5: Solve for x
    x = 43,461.85/237.46
  6. Step 6: Final answer
    x = 183.03

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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.