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Finding the Fourth Proportional to 220,046.86, 330,179.46 and 87,022.54

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Solution

The fourth proportional to 220,046.86, 330,179.46 and 87,022.54 is: 130,576.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,046.86 : 330,179.46 = 87,022.54 : x
  2. Step 2: Convert to fraction form
    220,046.86/330,179.46 = 87,022.54/x
  3. Step 3: Cross multiply
    220,046.86x = 330,179.46 × 87,022.54
  4. Step 4: Simplify right side
    220,046.86x = 28,733,055,265.03
  5. Step 5: Solve for x
    x = 28,733,055,265.03/220,046.86
  6. Step 6: Final answer
    x = 130,576.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.