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Finding the Fourth Proportional to 73,342.36, 109,995.92 and 33,861.56

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Solution

The fourth proportional to 73,342.36, 109,995.92 and 33,861.56 is: 50,784.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,342.36 : 109,995.92 = 33,861.56 : x
  2. Step 2: Convert to fraction form
    73,342.36/109,995.92 = 33,861.56/x
  3. Step 3: Cross multiply
    73,342.36x = 109,995.92 × 33,861.56
  4. Step 4: Simplify right side
    73,342.36x = 3,724,633,444.84
  5. Step 5: Solve for x
    x = 3,724,633,444.84/73,342.36
  6. Step 6: Final answer
    x = 50,784.20

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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.