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Finding the Fourth Proportional to 250.54, 375.76 and 67.95

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Solution

The fourth proportional to 250.54, 375.76 and 67.95 is: 101.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    250.54 : 375.76 = 67.95 : x
  2. Step 2: Convert to fraction form
    250.54/375.76 = 67.95/x
  3. Step 3: Cross multiply
    250.54x = 375.76 × 67.95
  4. Step 4: Simplify right side
    250.54x = 25,531.95
  5. Step 5: Solve for x
    x = 25,531.95/250.54
  6. Step 6: Final answer
    x = 101.91

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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.