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Finding the Fourth Proportional to 80,216.80, 110,700.49 and 43,917.64

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Solution

The fourth proportional to 80,216.80, 110,700.49 and 43,917.64 is: 60,607.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,216.80 : 110,700.49 = 43,917.64 : x
  2. Step 2: Convert to fraction form
    80,216.80/110,700.49 = 43,917.64/x
  3. Step 3: Cross multiply
    80,216.80x = 110,700.49 × 43,917.64
  4. Step 4: Simplify right side
    80,216.80x = 4,861,704,267.64
  5. Step 5: Solve for x
    x = 4,861,704,267.64/80,216.80
  6. Step 6: Final answer
    x = 60,607.06

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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.