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Finding the Fourth Proportional to 273,543.83, 410,336.49 and 73,861.31

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Solution

The fourth proportional to 273,543.83, 410,336.49 and 73,861.31 is: 110,797.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,543.83 : 410,336.49 = 73,861.31 : x
  2. Step 2: Convert to fraction form
    273,543.83/410,336.49 = 73,861.31/x
  3. Step 3: Cross multiply
    273,543.83x = 410,336.49 × 73,861.31
  4. Step 4: Simplify right side
    273,543.83x = 30,307,988,640.52
  5. Step 5: Solve for x
    x = 30,307,988,640.52/273,543.83
  6. Step 6: Final answer
    x = 110,797.56

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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.