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Finding the Fourth Proportional to 235,398.94, 352,451.40 and 164,392.54

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Solution

The fourth proportional to 235,398.94, 352,451.40 and 164,392.54 is: 246,136.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    235,398.94 : 352,451.40 = 164,392.54 : x
  2. Step 2: Convert to fraction form
    235,398.94/352,451.40 = 164,392.54/x
  3. Step 3: Cross multiply
    235,398.94x = 352,451.40 × 164,392.54
  4. Step 4: Simplify right side
    235,398.94x = 57,940,380,872.56
  5. Step 5: Solve for x
    x = 57,940,380,872.56/235,398.94
  6. Step 6: Final answer
    x = 246,136.97

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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.