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Finding the Fourth Proportional to 173,063.80, 259,568.70 and 54,764.20

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Solution

The fourth proportional to 173,063.80, 259,568.70 and 54,764.20 is: 82,137.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,063.80 : 259,568.70 = 54,764.20 : x
  2. Step 2: Convert to fraction form
    173,063.80/259,568.70 = 54,764.20/x
  3. Step 3: Cross multiply
    173,063.80x = 259,568.70 × 54,764.20
  4. Step 4: Simplify right side
    173,063.80x = 14,215,072,200.54
  5. Step 5: Solve for x
    x = 14,215,072,200.54/173,063.80
  6. Step 6: Final answer
    x = 82,137.76

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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.