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Finding the Fourth Proportional to 222,106.91, 332,958.76 and 115,366.10

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Solution

The fourth proportional to 222,106.91, 332,958.76 and 115,366.10 is: 172,944.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    222,106.91 : 332,958.76 = 115,366.10 : x
  2. Step 2: Convert to fraction form
    222,106.91/332,958.76 = 115,366.10/x
  3. Step 3: Cross multiply
    222,106.91x = 332,958.76 × 115,366.10
  4. Step 4: Simplify right side
    222,106.91x = 38,412,151,648.83
  5. Step 5: Solve for x
    x = 38,412,151,648.83/222,106.91
  6. Step 6: Final answer
    x = 172,944.43

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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.