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Finding the Fourth Proportional to 217,923, 300,664.62 and 132,997.56

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Solution

The fourth proportional to 217,923, 300,664.62 and 132,997.56 is: 183,494.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,923 : 300,664.62 = 132,997.56 : x
  2. Step 2: Convert to fraction form
    217,923/300,664.62 = 132,997.56/x
  3. Step 3: Cross multiply
    217,923x = 300,664.62 × 132,997.56
  4. Step 4: Simplify right side
    217,923x = 39,987,660,838.33
  5. Step 5: Solve for x
    x = 39,987,660,838.33/217,923
  6. Step 6: Final answer
    x = 183,494.45

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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.