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Finding the Fourth Proportional to 444,081.20, 666,121.80 and 111,657.20

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Solution

The fourth proportional to 444,081.20, 666,121.80 and 111,657.20 is: 167,485.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    444,081.20 : 666,121.80 = 111,657.20 : x
  2. Step 2: Convert to fraction form
    444,081.20/666,121.80 = 111,657.20/x
  3. Step 3: Cross multiply
    444,081.20x = 666,121.80 × 111,657.20
  4. Step 4: Simplify right side
    444,081.20x = 74,377,295,046.96
  5. Step 5: Solve for x
    x = 74,377,295,046.96/444,081.20
  6. Step 6: Final answer
    x = 167,485.80

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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.