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Finding the Fourth Proportional to 73,842.54, 101,891.72 and 41,572.44

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Solution

The fourth proportional to 73,842.54, 101,891.72 and 41,572.44 is: 57,363.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,842.54 : 101,891.72 = 41,572.44 : x
  2. Step 2: Convert to fraction form
    73,842.54/101,891.72 = 41,572.44/x
  3. Step 3: Cross multiply
    73,842.54x = 101,891.72 × 41,572.44
  4. Step 4: Simplify right side
    73,842.54x = 4,235,887,520.13
  5. Step 5: Solve for x
    x = 4,235,887,520.13/73,842.54
  6. Step 6: Final answer
    x = 57,363.79

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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.