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Finding the Fourth Proportional to 173,163.96, 259,719.96 and 54,819.96

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Solution

The fourth proportional to 173,163.96, 259,719.96 and 54,819.96 is: 82,221.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,163.96 : 259,719.96 = 54,819.96 : x
  2. Step 2: Convert to fraction form
    173,163.96/259,719.96 = 54,819.96/x
  3. Step 3: Cross multiply
    173,163.96x = 259,719.96 × 54,819.96
  4. Step 4: Simplify right side
    173,163.96x = 14,237,837,818.40
  5. Step 5: Solve for x
    x = 14,237,837,818.40/173,163.96
  6. Step 6: Final answer
    x = 82,221.72

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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.