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Finding the Fourth Proportional to 80,392.80, 110,927.76 and 48,540.36

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Solution

The fourth proportional to 80,392.80, 110,927.76 and 48,540.36 is: 66,977.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,392.80 : 110,927.76 = 48,540.36 : x
  2. Step 2: Convert to fraction form
    80,392.80/110,927.76 = 48,540.36/x
  3. Step 3: Cross multiply
    80,392.80x = 110,927.76 × 48,540.36
  4. Step 4: Simplify right side
    80,392.80x = 5,384,473,404.39
  5. Step 5: Solve for x
    x = 5,384,473,404.39/80,392.80
  6. Step 6: Final answer
    x = 66,977.06

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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.