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Finding the Fourth Proportional to 273,922.22, 410,883.32 and 74,242.61

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Solution

The fourth proportional to 273,922.22, 410,883.32 and 74,242.61 is: 111,363.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,922.22 : 410,883.32 = 74,242.61 : x
  2. Step 2: Convert to fraction form
    273,922.22/410,883.32 = 74,242.61/x
  3. Step 3: Cross multiply
    273,922.22x = 410,883.32 × 74,242.61
  4. Step 4: Simplify right side
    273,922.22x = 30,505,049,754.27
  5. Step 5: Solve for x
    x = 30,505,049,754.27/273,922.22
  6. Step 6: Final answer
    x = 111,363.91

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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.