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Finding the Fourth Proportional to 222,105.78, 332,957.07 and 115,364.97

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Solution

The fourth proportional to 222,105.78, 332,957.07 and 115,364.97 is: 172,942.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,105.78 : 332,957.07 = 115,364.97 : x
  2. Step 2: Convert to fraction form
    222,105.78/332,957.07 = 115,364.97/x
  3. Step 3: Cross multiply
    222,105.78x = 332,957.07 × 115,364.97
  4. Step 4: Simplify right side
    222,105.78x = 38,411,582,391.84
  5. Step 5: Solve for x
    x = 38,411,582,391.84/222,105.78
  6. Step 6: Final answer
    x = 172,942.74

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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.