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Finding the Fourth Proportional to 173,600.70, 260,789.85 and 166,515.90

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Solution

The fourth proportional to 173,600.70, 260,789.85 and 166,515.90 is: 250,146.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,600.70 : 260,789.85 = 166,515.90 : x
  2. Step 2: Convert to fraction form
    173,600.70/260,789.85 = 166,515.90/x
  3. Step 3: Cross multiply
    173,600.70x = 260,789.85 × 166,515.90
  4. Step 4: Simplify right side
    173,600.70x = 43,425,656,583.62
  5. Step 5: Solve for x
    x = 43,425,656,583.62/173,600.70
  6. Step 6: Final answer
    x = 250,146.78

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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.