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Finding the Fourth Proportional to 61,195.99, 91,803.26 and 21,743.73

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Solution

The fourth proportional to 61,195.99, 91,803.26 and 21,743.73 is: 32,618.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,195.99 : 91,803.26 = 21,743.73 : x
  2. Step 2: Convert to fraction form
    61,195.99/91,803.26 = 21,743.73/x
  3. Step 3: Cross multiply
    61,195.99x = 91,803.26 × 21,743.73
  4. Step 4: Simplify right side
    61,195.99x = 1,996,145,298.56
  5. Step 5: Solve for x
    x = 1,996,145,298.56/61,195.99
  6. Step 6: Final answer
    x = 32,618.89

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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.