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Finding the Fourth Proportional to 237.32, 355.96 and 83.23

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Solution

The fourth proportional to 237.32, 355.96 and 83.23 is: 124.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.32 : 355.96 = 83.23 : x
  2. Step 2: Convert to fraction form
    237.32/355.96 = 83.23/x
  3. Step 3: Cross multiply
    237.32x = 355.96 × 83.23
  4. Step 4: Simplify right side
    237.32x = 29,626.55
  5. Step 5: Solve for x
    x = 29,626.55/237.32
  6. Step 6: Final answer
    x = 124.84

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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.