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Finding the Fourth Proportional to 237.48, 356.25 and 93.21

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Solution

The fourth proportional to 237.48, 356.25 and 93.21 is: 139.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.48 : 356.25 = 93.21 : x
  2. Step 2: Convert to fraction form
    237.48/356.25 = 93.21/x
  3. Step 3: Cross multiply
    237.48x = 356.25 × 93.21
  4. Step 4: Simplify right side
    237.48x = 33,206.06
  5. Step 5: Solve for x
    x = 33,206.06/237.48
  6. Step 6: Final answer
    x = 139.83

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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.