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Finding the Fourth Proportional to 150,531.94, 225,755.79 and 45,335.62

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Solution

The fourth proportional to 150,531.94, 225,755.79 and 45,335.62 is: 67,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,531.94 : 225,755.79 = 45,335.62 : x
  2. Step 2: Convert to fraction form
    150,531.94/225,755.79 = 45,335.62/x
  3. Step 3: Cross multiply
    150,531.94x = 225,755.79 × 45,335.62
  4. Step 4: Simplify right side
    150,531.94x = 10,234,778,708.24
  5. Step 5: Solve for x
    x = 10,234,778,708.24/150,531.94
  6. Step 6: Final answer
    x = 67,990.74

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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.