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Finding the Fourth Proportional to 80,111.46, 120,138.45 and 23,941.11

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Solution

The fourth proportional to 80,111.46, 120,138.45 and 23,941.11 is: 35,903.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,111.46 : 120,138.45 = 23,941.11 : x
  2. Step 2: Convert to fraction form
    80,111.46/120,138.45 = 23,941.11/x
  3. Step 3: Cross multiply
    80,111.46x = 120,138.45 × 23,941.11
  4. Step 4: Simplify right side
    80,111.46x = 2,876,247,846.68
  5. Step 5: Solve for x
    x = 2,876,247,846.68/80,111.46
  6. Step 6: Final answer
    x = 35,903.08

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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.