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Finding the Fourth Proportional to 72,115.94, 108,122.06 and 32,652.74

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Solution

The fourth proportional to 72,115.94, 108,122.06 and 32,652.74 is: 48,955.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,115.94 : 108,122.06 = 32,652.74 : x
  2. Step 2: Convert to fraction form
    72,115.94/108,122.06 = 32,652.74/x
  3. Step 3: Cross multiply
    72,115.94x = 108,122.06 × 32,652.74
  4. Step 4: Simplify right side
    72,115.94x = 3,530,481,513.44
  5. Step 5: Solve for x
    x = 3,530,481,513.44/72,115.94
  6. Step 6: Final answer
    x = 48,955.63

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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.