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Finding the Fourth Proportional to 222,564.80, 333,847.20 and 133,772.60

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Solution

The fourth proportional to 222,564.80, 333,847.20 and 133,772.60 is: 200,658.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,564.80 : 333,847.20 = 133,772.60 : x
  2. Step 2: Convert to fraction form
    222,564.80/333,847.20 = 133,772.60/x
  3. Step 3: Cross multiply
    222,564.80x = 333,847.20 × 133,772.60
  4. Step 4: Simplify right side
    222,564.80x = 44,659,607,946.72
  5. Step 5: Solve for x
    x = 44,659,607,946.72/222,564.80
  6. Step 6: Final answer
    x = 200,658.90

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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.