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Finding the Fourth Proportional to 167,115.70, 250,673.55 and 100,521.55

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Solution

The fourth proportional to 167,115.70, 250,673.55 and 100,521.55 is: 150,782.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,115.70 : 250,673.55 = 100,521.55 : x
  2. Step 2: Convert to fraction form
    167,115.70/250,673.55 = 100,521.55/x
  3. Step 3: Cross multiply
    167,115.70x = 250,673.55 × 100,521.55
  4. Step 4: Simplify right side
    167,115.70x = 25,198,093,790.00
  5. Step 5: Solve for x
    x = 25,198,093,790.00/167,115.70
  6. Step 6: Final answer
    x = 150,782.33

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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.