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Finding the Fourth Proportional to 150,540.72, 225,811.12 and 55,803.44

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Solution

The fourth proportional to 150,540.72, 225,811.12 and 55,803.44 is: 83,705.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    150,540.72 : 225,811.12 = 55,803.44 : x
  2. Step 2: Convert to fraction form
    150,540.72/225,811.12 = 55,803.44/x
  3. Step 3: Cross multiply
    150,540.72x = 225,811.12 × 55,803.44
  4. Step 4: Simplify right side
    150,540.72x = 12,601,037,286.25
  5. Step 5: Solve for x
    x = 12,601,037,286.25/150,540.72
  6. Step 6: Final answer
    x = 83,705.17

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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.