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Finding the Fourth Proportional to 150,589.86, 225,772.46 and 90,604.30

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Solution

The fourth proportional to 150,589.86, 225,772.46 and 90,604.30 is: 135,838.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,589.86 : 225,772.46 = 90,604.30 : x
  2. Step 2: Convert to fraction form
    150,589.86/225,772.46 = 90,604.30/x
  3. Step 3: Cross multiply
    150,589.86x = 225,772.46 × 90,604.30
  4. Step 4: Simplify right side
    150,589.86x = 20,455,955,697.58
  5. Step 5: Solve for x
    x = 20,455,955,697.58/150,589.86
  6. Step 6: Final answer
    x = 135,838.87

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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.