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Finding the Fourth Proportional to 173,101.73, 259,183.40 and 89,820.77

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Solution

The fourth proportional to 173,101.73, 259,183.40 and 89,820.77 is: 134,487.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    173,101.73 : 259,183.40 = 89,820.77 : x
  2. Step 2: Convert to fraction form
    173,101.73/259,183.40 = 89,820.77/x
  3. Step 3: Cross multiply
    173,101.73x = 259,183.40 × 89,820.77
  4. Step 4: Simplify right side
    173,101.73x = 23,280,050,814.20
  5. Step 5: Solve for x
    x = 23,280,050,814.20/173,101.73
  6. Step 6: Final answer
    x = 134,487.69

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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.