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Finding the Fourth Proportional to 222,121.80, 333,182.70 and 89,022.60

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Solution

The fourth proportional to 222,121.80, 333,182.70 and 89,022.60 is: 133,533.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,121.80 : 333,182.70 = 89,022.60 : x
  2. Step 2: Convert to fraction form
    222,121.80/333,182.70 = 89,022.60/x
  3. Step 3: Cross multiply
    222,121.80x = 333,182.70 × 89,022.60
  4. Step 4: Simplify right side
    222,121.80x = 29,660,790,229.02
  5. Step 5: Solve for x
    x = 29,660,790,229.02/222,121.80
  6. Step 6: Final answer
    x = 133,533.90

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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.