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Finding the Fourth Proportional to 115,358.72, 173,037.01 and 36,472.96

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Solution

The fourth proportional to 115,358.72, 173,037.01 and 36,472.96 is: 54,709.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,358.72 : 173,037.01 = 36,472.96 : x
  2. Step 2: Convert to fraction form
    115,358.72/173,037.01 = 36,472.96/x
  3. Step 3: Cross multiply
    115,358.72x = 173,037.01 × 36,472.96
  4. Step 4: Simplify right side
    115,358.72x = 6,311,170,896.70
  5. Step 5: Solve for x
    x = 6,311,170,896.70/115,358.72
  6. Step 6: Final answer
    x = 54,709.09

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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.