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Finding the Fourth Proportional to 173,553.26, 260,325 and 55,231.70

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Solution

The fourth proportional to 173,553.26, 260,325 and 55,231.70 is: 82,845.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,553.26 : 260,325 = 55,231.70 : x
  2. Step 2: Convert to fraction form
    173,553.26/260,325 = 55,231.70/x
  3. Step 3: Cross multiply
    173,553.26x = 260,325 × 55,231.70
  4. Step 4: Simplify right side
    173,553.26x = 14,378,192,302.50
  5. Step 5: Solve for x
    x = 14,378,192,302.50/173,553.26
  6. Step 6: Final answer
    x = 82,845.99

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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.