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Finding the Fourth Proportional to 173,286.90, 259,650.90 and 98,183.70

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Solution

The fourth proportional to 173,286.90, 259,650.90 and 98,183.70 is: 147,117.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,286.90 : 259,650.90 = 98,183.70 : x
  2. Step 2: Convert to fraction form
    173,286.90/259,650.90 = 98,183.70/x
  3. Step 3: Cross multiply
    173,286.90x = 259,650.90 × 98,183.70
  4. Step 4: Simplify right side
    173,286.90x = 25,493,486,070.33
  5. Step 5: Solve for x
    x = 25,493,486,070.33/173,286.90
  6. Step 6: Final answer
    x = 147,117.21

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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.