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Finding the Fourth Proportional to 217,369.44, 300,098.52 and 136,865.97

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Solution

The fourth proportional to 217,369.44, 300,098.52 and 136,865.97 is: 188,956.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,369.44 : 300,098.52 = 136,865.97 : x
  2. Step 2: Convert to fraction form
    217,369.44/300,098.52 = 136,865.97/x
  3. Step 3: Cross multiply
    217,369.44x = 300,098.52 × 136,865.97
  4. Step 4: Simplify right side
    217,369.44x = 41,073,275,035.36
  5. Step 5: Solve for x
    x = 41,073,275,035.36/217,369.44
  6. Step 6: Final answer
    x = 188,956.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.