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Finding the Fourth Proportional to 167,469.62, 250,911.92 and 139,568.97

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Solution

The fourth proportional to 167,469.62, 250,911.92 and 139,568.97 is: 209,109.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,469.62 : 250,911.92 = 139,568.97 : x
  2. Step 2: Convert to fraction form
    167,469.62/250,911.92 = 139,568.97/x
  3. Step 3: Cross multiply
    167,469.62x = 250,911.92 × 139,568.97
  4. Step 4: Simplify right side
    167,469.62x = 35,019,517,721.05
  5. Step 5: Solve for x
    x = 35,019,517,721.05/167,469.62
  6. Step 6: Final answer
    x = 209,109.67

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1.5x scale

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.