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Finding the Fourth Proportional to 73,318.52, 101,187.78 and 41,489.47

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Solution

The fourth proportional to 73,318.52, 101,187.78 and 41,489.47 is: 57,260.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,318.52 : 101,187.78 = 41,489.47 : x
  2. Step 2: Convert to fraction form
    73,318.52/101,187.78 = 41,489.47/x
  3. Step 3: Cross multiply
    73,318.52x = 101,187.78 × 41,489.47
  4. Step 4: Simplify right side
    73,318.52x = 4,198,226,997.77
  5. Step 5: Solve for x
    x = 4,198,226,997.77/73,318.52
  6. Step 6: Final answer
    x = 57,260.12

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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.