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Finding the Fourth Proportional to 273,879.90, 410,557.41 and 115,891.02

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Solution

The fourth proportional to 273,879.90, 410,557.41 and 115,891.02 is: 173,725.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    273,879.90 : 410,557.41 = 115,891.02 : x
  2. Step 2: Convert to fraction form
    273,879.90/410,557.41 = 115,891.02/x
  3. Step 3: Cross multiply
    273,879.90x = 410,557.41 × 115,891.02
  4. Step 4: Simplify right side
    273,879.90x = 47,579,917,013.46
  5. Step 5: Solve for x
    x = 47,579,917,013.46/273,879.90
  6. Step 6: Final answer
    x = 173,725.48

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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.