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Finding the Fourth Proportional to 61,161.30, 91,741.95 and 50,793.30

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Solution

The fourth proportional to 61,161.30, 91,741.95 and 50,793.30 is: 76,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,161.30 : 91,741.95 = 50,793.30 : x
  2. Step 2: Convert to fraction form
    61,161.30/91,741.95 = 50,793.30/x
  3. Step 3: Cross multiply
    61,161.30x = 91,741.95 × 50,793.30
  4. Step 4: Simplify right side
    61,161.30x = 4,659,876,388.94
  5. Step 5: Solve for x
    x = 4,659,876,388.94/61,161.30
  6. Step 6: Final answer
    x = 76,189.95

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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.