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Finding the Fourth Proportional to 80,481.54, 111,059.28 and 44,671.56

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Solution

The fourth proportional to 80,481.54, 111,059.28 and 44,671.56 is: 61,643.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,481.54 : 111,059.28 = 44,671.56 : x
  2. Step 2: Convert to fraction form
    80,481.54/111,059.28 = 44,671.56/x
  3. Step 3: Cross multiply
    80,481.54x = 111,059.28 × 44,671.56
  4. Step 4: Simplify right side
    80,481.54x = 4,961,191,290.08
  5. Step 5: Solve for x
    x = 4,961,191,290.08/80,481.54
  6. Step 6: Final answer
    x = 61,643.84

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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.