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Finding the Fourth Proportional to 173,108.52, 259,636.77 and 54,764.49

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Solution

The fourth proportional to 173,108.52, 259,636.77 and 54,764.49 is: 82,138.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,108.52 : 259,636.77 = 54,764.49 : x
  2. Step 2: Convert to fraction form
    173,108.52/259,636.77 = 54,764.49/x
  3. Step 3: Cross multiply
    173,108.52x = 259,636.77 × 54,764.49
  4. Step 4: Simplify right side
    173,108.52x = 14,218,875,294.30
  5. Step 5: Solve for x
    x = 14,218,875,294.30/173,108.52
  6. Step 6: Final answer
    x = 82,138.51

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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.