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Finding the Fourth Proportional to 101,105.01, 151,529.94 and 51,197.67

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Solution

The fourth proportional to 101,105.01, 151,529.94 and 51,197.67 is: 76,731.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,105.01 : 151,529.94 = 51,197.67 : x
  2. Step 2: Convert to fraction form
    101,105.01/151,529.94 = 51,197.67/x
  3. Step 3: Cross multiply
    101,105.01x = 151,529.94 × 51,197.67
  4. Step 4: Simplify right side
    101,105.01x = 7,757,979,863.24
  5. Step 5: Solve for x
    x = 7,757,979,863.24/101,105.01
  6. Step 6: Final answer
    x = 76,731.90

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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.