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Finding the Fourth Proportional to 311,049.08, 466,755.08 and 131,123.57

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Solution

The fourth proportional to 311,049.08, 466,755.08 and 131,123.57 is: 196,761.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    311,049.08 : 466,755.08 = 131,123.57 : x
  2. Step 2: Convert to fraction form
    311,049.08/466,755.08 = 131,123.57/x
  3. Step 3: Cross multiply
    311,049.08x = 466,755.08 × 131,123.57
  4. Step 4: Simplify right side
    311,049.08x = 61,202,589,415.84
  5. Step 5: Solve for x
    x = 61,202,589,415.84/311,049.08
  6. Step 6: Final answer
    x = 196,761.84

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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.