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Finding the Fourth Proportional to 173,279.95, 259,929.17 and 54,960.41

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Solution

The fourth proportional to 173,279.95, 259,929.17 and 54,960.41 is: 82,443.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,279.95 : 259,929.17 = 54,960.41 : x
  2. Step 2: Convert to fraction form
    173,279.95/259,929.17 = 54,960.41/x
  3. Step 3: Cross multiply
    173,279.95x = 259,929.17 × 54,960.41
  4. Step 4: Simplify right side
    173,279.95x = 14,285,814,335.28
  5. Step 5: Solve for x
    x = 14,285,814,335.28/173,279.95
  6. Step 6: Final answer
    x = 82,443.55

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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.