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Finding the Fourth Proportional to 80,023.74, 120,041.84 and 23,859.55

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Solution

The fourth proportional to 80,023.74, 120,041.84 and 23,859.55 is: 35,791.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,023.74 : 120,041.84 = 23,859.55 : x
  2. Step 2: Convert to fraction form
    80,023.74/120,041.84 = 23,859.55/x
  3. Step 3: Cross multiply
    80,023.74x = 120,041.84 × 23,859.55
  4. Step 4: Simplify right side
    80,023.74x = 2,864,144,283.57
  5. Step 5: Solve for x
    x = 2,864,144,283.57/80,023.74
  6. Step 6: Final answer
    x = 35,791.18

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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.