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Finding the Fourth Proportional to 80,101.80, 120,023.10 and 50,466.60

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Solution

The fourth proportional to 80,101.80, 120,023.10 and 50,466.60 is: 75,618.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,101.80 : 120,023.10 = 50,466.60 : x
  2. Step 2: Convert to fraction form
    80,101.80/120,023.10 = 50,466.60/x
  3. Step 3: Cross multiply
    80,101.80x = 120,023.10 × 50,466.60
  4. Step 4: Simplify right side
    80,101.80x = 6,057,157,778.46
  5. Step 5: Solve for x
    x = 6,057,157,778.46/80,101.80
  6. Step 6: Final answer
    x = 75,618.25

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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.