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Finding the Fourth Proportional to 129,408.70, 194,047.41 and 59,227.90

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Solution

The fourth proportional to 129,408.70, 194,047.41 and 59,227.90 is: 88,811.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    129,408.70 : 194,047.41 = 59,227.90 : x
  2. Step 2: Convert to fraction form
    129,408.70/194,047.41 = 59,227.90/x
  3. Step 3: Cross multiply
    129,408.70x = 194,047.41 × 59,227.90
  4. Step 4: Simplify right side
    129,408.70x = 11,493,020,594.74
  5. Step 5: Solve for x
    x = 11,493,020,594.74/129,408.70
  6. Step 6: Final answer
    x = 88,811.81

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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.