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Finding the Fourth Proportional to 84,092.48, 125,995.97 and 50,742.47

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Solution

The fourth proportional to 84,092.48, 125,995.97 and 50,742.47 is: 76,027.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,092.48 : 125,995.97 = 50,742.47 : x
  2. Step 2: Convert to fraction form
    84,092.48/125,995.97 = 50,742.47/x
  3. Step 3: Cross multiply
    84,092.48x = 125,995.97 × 50,742.47
  4. Step 4: Simplify right side
    84,092.48x = 6,393,346,097.87
  5. Step 5: Solve for x
    x = 6,393,346,097.87/84,092.48
  6. Step 6: Final answer
    x = 76,027.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.