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Finding the Fourth Proportional to 273,778.92, 410,707.80 and 84,255.39

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Solution

The fourth proportional to 273,778.92, 410,707.80 and 84,255.39 is: 126,395.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,778.92 : 410,707.80 = 84,255.39 : x
  2. Step 2: Convert to fraction form
    273,778.92/410,707.80 = 84,255.39/x
  3. Step 3: Cross multiply
    273,778.92x = 410,707.80 × 84,255.39
  4. Step 4: Simplify right side
    273,778.92x = 34,604,345,865.04
  5. Step 5: Solve for x
    x = 34,604,345,865.04/273,778.92
  6. Step 6: Final answer
    x = 126,395.22

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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.