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Finding the Fourth Proportional to 114,155.70, 171,234.73 and 50,979.05

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Solution

The fourth proportional to 114,155.70, 171,234.73 and 50,979.05 is: 76,469.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,155.70 : 171,234.73 = 50,979.05 : x
  2. Step 2: Convert to fraction form
    114,155.70/171,234.73 = 50,979.05/x
  3. Step 3: Cross multiply
    114,155.70x = 171,234.73 × 50,979.05
  4. Step 4: Simplify right side
    114,155.70x = 8,729,383,373.87
  5. Step 5: Solve for x
    x = 8,729,383,373.87/114,155.70
  6. Step 6: Final answer
    x = 76,469.09

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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.