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Finding the Fourth Proportional to 73,997.92, 102,109.26 and 43,784.52

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Solution

The fourth proportional to 73,997.92, 102,109.26 and 43,784.52 is: 60,417.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,997.92 : 102,109.26 = 43,784.52 : x
  2. Step 2: Convert to fraction form
    73,997.92/102,109.26 = 43,784.52/x
  3. Step 3: Cross multiply
    73,997.92x = 102,109.26 × 43,784.52
  4. Step 4: Simplify right side
    73,997.92x = 4,470,804,471.65
  5. Step 5: Solve for x
    x = 4,470,804,471.65/73,997.92
  6. Step 6: Final answer
    x = 60,417.97

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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.