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Finding the Fourth Proportional to 80,630.44, 111,264.74 and 44,819.12

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Solution

The fourth proportional to 80,630.44, 111,264.74 and 44,819.12 is: 61,847.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,630.44 : 111,264.74 = 44,819.12 : x
  2. Step 2: Convert to fraction form
    80,630.44/111,264.74 = 44,819.12/x
  3. Step 3: Cross multiply
    80,630.44x = 111,264.74 × 44,819.12
  4. Step 4: Simplify right side
    80,630.44x = 4,986,787,955.97
  5. Step 5: Solve for x
    x = 4,986,787,955.97/80,630.44
  6. Step 6: Final answer
    x = 61,847.46

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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.