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Finding the Fourth Proportional to 73,843.40, 101,903.63 and 41,578.01

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Solution

The fourth proportional to 73,843.40, 101,903.63 and 41,578.01 is: 57,377.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,843.40 : 101,903.63 = 41,578.01 : x
  2. Step 2: Convert to fraction form
    73,843.40/101,903.63 = 41,578.01/x
  3. Step 3: Cross multiply
    73,843.40x = 101,903.63 × 41,578.01
  4. Step 4: Simplify right side
    73,843.40x = 4,236,950,147.18
  5. Step 5: Solve for x
    x = 4,236,950,147.18/73,843.40
  6. Step 6: Final answer
    x = 57,377.51

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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.