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Finding the Fourth Proportional to 80,224.88, 110,711.94 and 47,992.74

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Solution

The fourth proportional to 80,224.88, 110,711.94 and 47,992.74 is: 66,230.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,224.88 : 110,711.94 = 47,992.74 : x
  2. Step 2: Convert to fraction form
    80,224.88/110,711.94 = 47,992.74/x
  3. Step 3: Cross multiply
    80,224.88x = 110,711.94 × 47,992.74
  4. Step 4: Simplify right side
    80,224.88x = 5,313,369,351.32
  5. Step 5: Solve for x
    x = 5,313,369,351.32/80,224.88
  6. Step 6: Final answer
    x = 66,230.94

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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.