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Finding the Fourth Proportional to 237.96, 356.94 and 75.67

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Solution

The fourth proportional to 237.96, 356.94 and 75.67 is: 113.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.96 : 356.94 = 75.67 : x
  2. Step 2: Convert to fraction form
    237.96/356.94 = 75.67/x
  3. Step 3: Cross multiply
    237.96x = 356.94 × 75.67
  4. Step 4: Simplify right side
    237.96x = 27,008.76
  5. Step 5: Solve for x
    x = 27,008.76/237.96
  6. Step 6: Final answer
    x = 113.50

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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.