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Finding the Fourth Proportional to 73,287.75, 101,137.10 and 41,455.97

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Solution

The fourth proportional to 73,287.75, 101,137.10 and 41,455.97 is: 57,209.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,287.75 : 101,137.10 = 41,455.97 : x
  2. Step 2: Convert to fraction form
    73,287.75/101,137.10 = 41,455.97/x
  3. Step 3: Cross multiply
    73,287.75x = 101,137.10 × 41,455.97
  4. Step 4: Simplify right side
    73,287.75x = 4,192,735,870.52
  5. Step 5: Solve for x
    x = 4,192,735,870.52/73,287.75
  6. Step 6: Final answer
    x = 57,209.23

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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.