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Finding the Fourth Proportional to 100,553.70, 150,863.36 and 47,956.35

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Solution

The fourth proportional to 100,553.70, 150,863.36 and 47,956.35 is: 71,950.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,553.70 : 150,863.36 = 47,956.35 : x
  2. Step 2: Convert to fraction form
    100,553.70/150,863.36 = 47,956.35/x
  3. Step 3: Cross multiply
    100,553.70x = 150,863.36 × 47,956.35
  4. Step 4: Simplify right side
    100,553.70x = 7,234,856,690.05
  5. Step 5: Solve for x
    x = 7,234,856,690.05/100,553.70
  6. Step 6: Final answer
    x = 71,950.18

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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.