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Finding the Fourth Proportional to 73,241.01, 109,846.13 and 20,636.37

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Solution

The fourth proportional to 73,241.01, 109,846.13 and 20,636.37 is: 30,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,241.01 : 109,846.13 = 20,636.37 : x
  2. Step 2: Convert to fraction form
    73,241.01/109,846.13 = 20,636.37/x
  3. Step 3: Cross multiply
    73,241.01x = 109,846.13 × 20,636.37
  4. Step 4: Simplify right side
    73,241.01x = 2,266,825,278.57
  5. Step 5: Solve for x
    x = 2,266,825,278.57/73,241.01
  6. Step 6: Final answer
    x = 30,950.22

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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.