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Finding the Fourth Proportional to 273.51, 410.13 and 119.43

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Solution

The fourth proportional to 273.51, 410.13 and 119.43 is: 179.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    273.51 : 410.13 = 119.43 : x
  2. Step 2: Convert to fraction form
    273.51/410.13 = 119.43/x
  3. Step 3: Cross multiply
    273.51x = 410.13 × 119.43
  4. Step 4: Simplify right side
    273.51x = 48,981.83
  5. Step 5: Solve for x
    x = 48,981.83/273.51
  6. Step 6: Final answer
    x = 179.09

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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.