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Finding the Fourth Proportional to 273,348.26, 410,039.68 and 115,555.94

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Solution

The fourth proportional to 273,348.26, 410,039.68 and 115,555.94 is: 173,341.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,348.26 : 410,039.68 = 115,555.94 : x
  2. Step 2: Convert to fraction form
    273,348.26/410,039.68 = 115,555.94/x
  3. Step 3: Cross multiply
    273,348.26x = 410,039.68 × 115,555.94
  4. Step 4: Simplify right side
    273,348.26x = 47,382,520,659.70
  5. Step 5: Solve for x
    x = 47,382,520,659.70/273,348.26
  6. Step 6: Final answer
    x = 173,341.22

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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.