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Finding the Fourth Proportional to 300,793.95, 451,174.32 and 101,093.72

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Solution

The fourth proportional to 300,793.95, 451,174.32 and 101,093.72 is: 151,634.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    300,793.95 : 451,174.32 = 101,093.72 : x
  2. Step 2: Convert to fraction form
    300,793.95/451,174.32 = 101,093.72/x
  3. Step 3: Cross multiply
    300,793.95x = 451,174.32 × 101,093.72
  4. Step 4: Simplify right side
    300,793.95x = 45,610,888,121.40
  5. Step 5: Solve for x
    x = 45,610,888,121.40/300,793.95
  6. Step 6: Final answer
    x = 151,634.99

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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.