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Finding the Fourth Proportional to 237.38, 356.07 and 100.50

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Solution

The fourth proportional to 237.38, 356.07 and 100.50 is: 150.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    237.38 : 356.07 = 100.50 : x
  2. Step 2: Convert to fraction form
    237.38/356.07 = 100.50/x
  3. Step 3: Cross multiply
    237.38x = 356.07 × 100.50
  4. Step 4: Simplify right side
    237.38x = 35,785.04
  5. Step 5: Solve for x
    x = 35,785.04/237.38
  6. Step 6: Final answer
    x = 150.75

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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.