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Finding the Fourth Proportional to 171,660.40, 256,972.20 and 150,924.40

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Solution

The fourth proportional to 171,660.40, 256,972.20 and 150,924.40 is: 225,930.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,660.40 : 256,972.20 = 150,924.40 : x
  2. Step 2: Convert to fraction form
    171,660.40/256,972.20 = 150,924.40/x
  3. Step 3: Cross multiply
    171,660.40x = 256,972.20 × 150,924.40
  4. Step 4: Simplify right side
    171,660.40x = 38,783,375,101.68
  5. Step 5: Solve for x
    x = 38,783,375,101.68/171,660.40
  6. Step 6: Final answer
    x = 225,930.82

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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.