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Finding the Fourth Proportional to 73,858.23, 101,920.68 and 43,644.96

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Solution

The fourth proportional to 73,858.23, 101,920.68 and 43,644.96 is: 60,227.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,858.23 : 101,920.68 = 43,644.96 : x
  2. Step 2: Convert to fraction form
    73,858.23/101,920.68 = 43,644.96/x
  3. Step 3: Cross multiply
    73,858.23x = 101,920.68 × 43,644.96
  4. Step 4: Simplify right side
    73,858.23x = 4,448,324,001.77
  5. Step 5: Solve for x
    x = 4,448,324,001.77/73,858.23
  6. Step 6: Final answer
    x = 60,227.87

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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.