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Finding the Fourth Proportional to 73,616, 101,583.68 and 41,786.24

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Solution

The fourth proportional to 73,616, 101,583.68 and 41,786.24 is: 57,661.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,616 : 101,583.68 = 41,786.24 : x
  2. Step 2: Convert to fraction form
    73,616/101,583.68 = 41,786.24/x
  3. Step 3: Cross multiply
    73,616x = 101,583.68 × 41,786.24
  4. Step 4: Simplify right side
    73,616x = 4,244,800,032.56
  5. Step 5: Solve for x
    x = 4,244,800,032.56/73,616
  6. Step 6: Final answer
    x = 57,661.38

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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.