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Finding the Fourth Proportional to 173,108.48, 259,636.73 and 54,764.44

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Solution

The fourth proportional to 173,108.48, 259,636.73 and 54,764.44 is: 82,138.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,108.48 : 259,636.73 = 54,764.44 : x
  2. Step 2: Convert to fraction form
    173,108.48/259,636.73 = 54,764.44/x
  3. Step 3: Cross multiply
    173,108.48x = 259,636.73 × 54,764.44
  4. Step 4: Simplify right side
    173,108.48x = 14,218,859,198.97
  5. Step 5: Solve for x
    x = 14,218,859,198.97/173,108.48
  6. Step 6: Final answer
    x = 82,138.43

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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.