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Finding the Fourth Proportional to 237.46, 356.16 and 75.14

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Solution

The fourth proportional to 237.46, 356.16 and 75.14 is: 112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.46 : 356.16 = 75.14 : x
  2. Step 2: Convert to fraction form
    237.46/356.16 = 75.14/x
  3. Step 3: Cross multiply
    237.46x = 356.16 × 75.14
  4. Step 4: Simplify right side
    237.46x = 26,761.86
  5. Step 5: Solve for x
    x = 26,761.86/237.46
  6. Step 6: Final answer
    x = 112.70

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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.