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Finding the Fourth Proportional to 173,067.92, 259,616.46 and 54,736.64

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Solution

The fourth proportional to 173,067.92, 259,616.46 and 54,736.64 is: 82,109.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,067.92 : 259,616.46 = 54,736.64 : x
  2. Step 2: Convert to fraction form
    173,067.92/259,616.46 = 54,736.64/x
  3. Step 3: Cross multiply
    173,067.92x = 259,616.46 × 54,736.64
  4. Step 4: Simplify right side
    173,067.92x = 14,210,532,709.09
  5. Step 5: Solve for x
    x = 14,210,532,709.09/173,067.92
  6. Step 6: Final answer
    x = 82,109.57

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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.