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Finding the Fourth Proportional to 171,626.40, 256,921.20 and 150,890.40

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Solution

The fourth proportional to 171,626.40, 256,921.20 and 150,890.40 is: 225,879.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,626.40 : 256,921.20 = 150,890.40 : x
  2. Step 2: Convert to fraction form
    171,626.40/256,921.20 = 150,890.40/x
  3. Step 3: Cross multiply
    171,626.40x = 256,921.20 × 150,890.40
  4. Step 4: Simplify right side
    171,626.40x = 38,766,942,636.48
  5. Step 5: Solve for x
    x = 38,766,942,636.48/171,626.40
  6. Step 6: Final answer
    x = 225,879.83

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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.