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Finding the Fourth Proportional to 80,692.96, 121,039.44 and 24,532.96

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Solution

The fourth proportional to 80,692.96, 121,039.44 and 24,532.96 is: 36,799.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,692.96 : 121,039.44 = 24,532.96 : x
  2. Step 2: Convert to fraction form
    80,692.96/121,039.44 = 24,532.96/x
  3. Step 3: Cross multiply
    80,692.96x = 121,039.44 × 24,532.96
  4. Step 4: Simplify right side
    80,692.96x = 2,969,455,739.94
  5. Step 5: Solve for x
    x = 2,969,455,739.94/80,692.96
  6. Step 6: Final answer
    x = 36,799.44

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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.