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Finding the Fourth Proportional to 80,259.45, 110,757.09 and 44,448.54

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Solution

The fourth proportional to 80,259.45, 110,757.09 and 44,448.54 is: 61,338.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,259.45 : 110,757.09 = 44,448.54 : x
  2. Step 2: Convert to fraction form
    80,259.45/110,757.09 = 44,448.54/x
  3. Step 3: Cross multiply
    80,259.45x = 110,757.09 × 44,448.54
  4. Step 4: Simplify right side
    80,259.45x = 4,922,990,945.15
  5. Step 5: Solve for x
    x = 4,922,990,945.15/80,259.45
  6. Step 6: Final answer
    x = 61,338.46

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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.