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Finding the Fourth Proportional to 80,276.46, 110,835.09 and 50,073.90

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Solution

The fourth proportional to 80,276.46, 110,835.09 and 50,073.90 is: 69,135.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,276.46 : 110,835.09 = 50,073.90 : x
  2. Step 2: Convert to fraction form
    80,276.46/110,835.09 = 50,073.90/x
  3. Step 3: Cross multiply
    80,276.46x = 110,835.09 × 50,073.90
  4. Step 4: Simplify right side
    80,276.46x = 5,549,945,213.15
  5. Step 5: Solve for x
    x = 5,549,945,213.15/80,276.46
  6. Step 6: Final answer
    x = 69,135.40

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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.