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Finding the Fourth Proportional to 80,411.22, 110,894.85 and 50,199.34

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Solution

The fourth proportional to 80,411.22, 110,894.85 and 50,199.34 is: 69,229.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,411.22 : 110,894.85 = 50,199.34 : x
  2. Step 2: Convert to fraction form
    80,411.22/110,894.85 = 50,199.34/x
  3. Step 3: Cross multiply
    80,411.22x = 110,894.85 × 50,199.34
  4. Step 4: Simplify right side
    80,411.22x = 5,566,848,279.40
  5. Step 5: Solve for x
    x = 5,566,848,279.40/80,411.22
  6. Step 6: Final answer
    x = 69,229.75

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.