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Finding the Fourth Proportional to 72,905.92, 100,601.44 and 41,073.92

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Solution

The fourth proportional to 72,905.92, 100,601.44 and 41,073.92 is: 56,677.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,905.92 : 100,601.44 = 41,073.92 : x
  2. Step 2: Convert to fraction form
    72,905.92/100,601.44 = 41,073.92/x
  3. Step 3: Cross multiply
    72,905.92x = 100,601.44 × 41,073.92
  4. Step 4: Simplify right side
    72,905.92x = 4,132,095,498.44
  5. Step 5: Solve for x
    x = 4,132,095,498.44/72,905.92
  6. Step 6: Final answer
    x = 56,677.09

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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.