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Finding the Fourth Proportional to 80,192.72, 120,300.24 and 33,434.84

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Solution

The fourth proportional to 80,192.72, 120,300.24 and 33,434.84 is: 50,156.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,192.72 : 120,300.24 = 33,434.84 : x
  2. Step 2: Convert to fraction form
    80,192.72/120,300.24 = 33,434.84/x
  3. Step 3: Cross multiply
    80,192.72x = 120,300.24 × 33,434.84
  4. Step 4: Simplify right side
    80,192.72x = 4,022,219,276.36
  5. Step 5: Solve for x
    x = 4,022,219,276.36/80,192.72
  6. Step 6: Final answer
    x = 50,156.91

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.