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Finding the Fourth Proportional to 79,463.92, 119,236.92 and 52,828.44

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Solution

The fourth proportional to 79,463.92, 119,236.92 and 52,828.44 is: 79,269.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,463.92 : 119,236.92 = 52,828.44 : x
  2. Step 2: Convert to fraction form
    79,463.92/119,236.92 = 52,828.44/x
  3. Step 3: Cross multiply
    79,463.92x = 119,236.92 × 52,828.44
  4. Step 4: Simplify right side
    79,463.92x = 6,299,100,474.00
  5. Step 5: Solve for x
    x = 6,299,100,474.00/79,463.92
  6. Step 6: Final answer
    x = 79,269.94

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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.