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Finding the Fourth Proportional to 237.62, 356.15 and 93.17

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Solution

The fourth proportional to 237.62, 356.15 and 93.17 is: 139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.62 : 356.15 = 93.17 : x
  2. Step 2: Convert to fraction form
    237.62/356.15 = 93.17/x
  3. Step 3: Cross multiply
    237.62x = 356.15 × 93.17
  4. Step 4: Simplify right side
    237.62x = 33,180.95
  5. Step 5: Solve for x
    x = 33,180.95/237.62
  6. Step 6: Final answer
    x = 139.64

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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.