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Finding the Fourth Proportional to 222,107.76, 333,884.16 and 178,215.48

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Solution

The fourth proportional to 222,107.76, 333,884.16 and 178,215.48 is: 267,902.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,107.76 : 333,884.16 = 178,215.48 : x
  2. Step 2: Convert to fraction form
    222,107.76/333,884.16 = 178,215.48/x
  3. Step 3: Cross multiply
    222,107.76x = 333,884.16 × 178,215.48
  4. Step 4: Simplify right side
    222,107.76x = 59,503,325,838.80
  5. Step 5: Solve for x
    x = 59,503,325,838.80/222,107.76
  6. Step 6: Final answer
    x = 267,902.96

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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.