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Finding the Fourth Proportional to 73,775.21, 101,806.17 and 41,943.42

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Solution

The fourth proportional to 73,775.21, 101,806.17 and 41,943.42 is: 57,879.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,775.21 : 101,806.17 = 41,943.42 : x
  2. Step 2: Convert to fraction form
    73,775.21/101,806.17 = 41,943.42/x
  3. Step 3: Cross multiply
    73,775.21x = 101,806.17 × 41,943.42
  4. Step 4: Simplify right side
    73,775.21x = 4,270,098,946.90
  5. Step 5: Solve for x
    x = 4,270,098,946.90/73,775.21
  6. Step 6: Final answer
    x = 57,879.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.