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Finding the Fourth Proportional to 115,889.89, 173,834.85 and 63,270.67

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Solution

The fourth proportional to 115,889.89, 173,834.85 and 63,270.67 is: 94,906.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,889.89 : 173,834.85 = 63,270.67 : x
  2. Step 2: Convert to fraction form
    115,889.89/173,834.85 = 63,270.67/x
  3. Step 3: Cross multiply
    115,889.89x = 173,834.85 × 63,270.67
  4. Step 4: Simplify right side
    115,889.89x = 10,998,647,428.85
  5. Step 5: Solve for x
    x = 10,998,647,428.85/115,889.89
  6. Step 6: Final answer
    x = 94,906.01

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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.