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Finding the Fourth Proportional to 53,481.88, 80,230.74 and 50,201.56

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Solution

The fourth proportional to 53,481.88, 80,230.74 and 50,201.56 is: 75,309.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,481.88 : 80,230.74 = 50,201.56 : x
  2. Step 2: Convert to fraction form
    53,481.88/80,230.74 = 50,201.56/x
  3. Step 3: Cross multiply
    53,481.88x = 80,230.74 × 50,201.56
  4. Step 4: Simplify right side
    53,481.88x = 4,027,708,307.95
  5. Step 5: Solve for x
    x = 4,027,708,307.95/53,481.88
  6. Step 6: Final answer
    x = 75,309.77

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1.5x scale

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.