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Finding the Fourth Proportional to 150,589.19, 225,811.13 and 87,425.22

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Solution

The fourth proportional to 150,589.19, 225,811.13 and 87,425.22 is: 131,095.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,589.19 : 225,811.13 = 87,425.22 : x
  2. Step 2: Convert to fraction form
    150,589.19/225,811.13 = 87,425.22/x
  3. Step 3: Cross multiply
    150,589.19x = 225,811.13 × 87,425.22
  4. Step 4: Simplify right side
    150,589.19x = 19,741,587,718.70
  5. Step 5: Solve for x
    x = 19,741,587,718.70/150,589.19
  6. Step 6: Final answer
    x = 131,095.65

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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.