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Finding the Fourth Proportional to 80,230.77, 110,720.15 and 43,933.74

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Solution

The fourth proportional to 80,230.77, 110,720.15 and 43,933.74 is: 60,629.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,230.77 : 110,720.15 = 43,933.74 : x
  2. Step 2: Convert to fraction form
    80,230.77/110,720.15 = 43,933.74/x
  3. Step 3: Cross multiply
    80,230.77x = 110,720.15 × 43,933.74
  4. Step 4: Simplify right side
    80,230.77x = 4,864,350,282.86
  5. Step 5: Solve for x
    x = 4,864,350,282.86/80,230.77
  6. Step 6: Final answer
    x = 60,629.49

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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.