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Finding the Fourth Proportional to 73,422, 101,331 and 43,614

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Solution

The fourth proportional to 73,422, 101,331 and 43,614 is: 60,192.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,422 : 101,331 = 43,614 : x
  2. Step 2: Convert to fraction form
    73,422/101,331 = 43,614/x
  3. Step 3: Cross multiply
    73,422x = 101,331 × 43,614
  4. Step 4: Simplify right side
    73,422x = 4,419,450,234
  5. Step 5: Solve for x
    x = 4,419,450,234/73,422
  6. Step 6: Final answer
    x = 60,192.45

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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.