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Finding the Fourth Proportional to 80,503.76, 111,089.94 and 44,692.04

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Solution

The fourth proportional to 80,503.76, 111,089.94 and 44,692.04 is: 61,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,503.76 : 111,089.94 = 44,692.04 : x
  2. Step 2: Convert to fraction form
    80,503.76/111,089.94 = 44,692.04/x
  3. Step 3: Cross multiply
    80,503.76x = 111,089.94 × 44,692.04
  4. Step 4: Simplify right side
    80,503.76x = 4,964,836,042.08
  5. Step 5: Solve for x
    x = 4,964,836,042.08/80,503.76
  6. Step 6: Final answer
    x = 61,672.10

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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.