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Finding the Fourth Proportional to 273.36, 410.06 and 111

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Solution

The fourth proportional to 273.36, 410.06 and 111 is: 166.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.36 : 410.06 = 111 : x
  2. Step 2: Convert to fraction form
    273.36/410.06 = 111/x
  3. Step 3: Cross multiply
    273.36x = 410.06 × 111
  4. Step 4: Simplify right side
    273.36x = 45,516.66
  5. Step 5: Solve for x
    x = 45,516.66/273.36
  6. Step 6: Final answer
    x = 166.51

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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.