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Finding the Fourth Proportional to 73,791.89, 101,823.44 and 41,961.45

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Solution

The fourth proportional to 73,791.89, 101,823.44 and 41,961.45 is: 57,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,791.89 : 101,823.44 = 41,961.45 : x
  2. Step 2: Convert to fraction form
    73,791.89/101,823.44 = 41,961.45/x
  3. Step 3: Cross multiply
    73,791.89x = 101,823.44 × 41,961.45
  4. Step 4: Simplify right side
    73,791.89x = 4,272,659,186.39
  5. Step 5: Solve for x
    x = 4,272,659,186.39/73,791.89
  6. Step 6: Final answer
    x = 57,901.47

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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.