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Finding the Fourth Proportional to 80,482.48, 110,993.10 and 50,270.56

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Solution

The fourth proportional to 80,482.48, 110,993.10 and 50,270.56 is: 69,327.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,482.48 : 110,993.10 = 50,270.56 : x
  2. Step 2: Convert to fraction form
    80,482.48/110,993.10 = 50,270.56/x
  3. Step 3: Cross multiply
    80,482.48x = 110,993.10 × 50,270.56
  4. Step 4: Simplify right side
    80,482.48x = 5,579,685,293.14
  5. Step 5: Solve for x
    x = 5,579,685,293.14/80,482.48
  6. Step 6: Final answer
    x = 69,327.95

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1.5x scale

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.