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Finding the Fourth Proportional to 220,273.80, 330,497.10 and 80,046.60

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Solution

The fourth proportional to 220,273.80, 330,497.10 and 80,046.60 is: 120,101.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,273.80 : 330,497.10 = 80,046.60 : x
  2. Step 2: Convert to fraction form
    220,273.80/330,497.10 = 80,046.60/x
  3. Step 3: Cross multiply
    220,273.80x = 330,497.10 × 80,046.60
  4. Step 4: Simplify right side
    220,273.80x = 26,455,169,164.86
  5. Step 5: Solve for x
    x = 26,455,169,164.86/220,273.80
  6. Step 6: Final answer
    x = 120,101.30

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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.