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Finding the Fourth Proportional to 61,172.94, 91,748.44 and 16,793.85

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Solution

The fourth proportional to 61,172.94, 91,748.44 and 16,793.85 is: 25,187.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,172.94 : 91,748.44 = 16,793.85 : x
  2. Step 2: Convert to fraction form
    61,172.94/91,748.44 = 16,793.85/x
  3. Step 3: Cross multiply
    61,172.94x = 91,748.44 × 16,793.85
  4. Step 4: Simplify right side
    61,172.94x = 1,540,809,539.09
  5. Step 5: Solve for x
    x = 1,540,809,539.09/61,172.94
  6. Step 6: Final answer
    x = 25,187.76

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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.