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Finding the Fourth Proportional to 251,793.56, 377,759.55 and 74,300.59

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Solution

The fourth proportional to 251,793.56, 377,759.55 and 74,300.59 is: 111,471.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,793.56 : 377,759.55 = 74,300.59 : x
  2. Step 2: Convert to fraction form
    251,793.56/377,759.55 = 74,300.59/x
  3. Step 3: Cross multiply
    251,793.56x = 377,759.55 × 74,300.59
  4. Step 4: Simplify right side
    251,793.56x = 28,067,757,776.02
  5. Step 5: Solve for x
    x = 28,067,757,776.02/251,793.56
  6. Step 6: Final answer
    x = 111,471.31

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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.