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Finding the Fourth Proportional to 237.13, 355.55 and 92.82

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Solution

The fourth proportional to 237.13, 355.55 and 92.82 is: 139.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.13 : 355.55 = 92.82 : x
  2. Step 2: Convert to fraction form
    237.13/355.55 = 92.82/x
  3. Step 3: Cross multiply
    237.13x = 355.55 × 92.82
  4. Step 4: Simplify right side
    237.13x = 33,002.15
  5. Step 5: Solve for x
    x = 33,002.15/237.13
  6. Step 6: Final answer
    x = 139.17

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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.