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Finding the Fourth Proportional to 273.39, 410.07 and 67.95

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Solution

The fourth proportional to 273.39, 410.07 and 67.95 is: 101.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.39 : 410.07 = 67.95 : x
  2. Step 2: Convert to fraction form
    273.39/410.07 = 67.95/x
  3. Step 3: Cross multiply
    273.39x = 410.07 × 67.95
  4. Step 4: Simplify right side
    273.39x = 27,862.89
  5. Step 5: Solve for x
    x = 27,862.89/273.39
  6. Step 6: Final answer
    x = 101.92

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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.