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Finding the Fourth Proportional to 293,179.43, 404,588.39 and 159,043.43

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Solution

The fourth proportional to 293,179.43, 404,588.39 and 159,043.43 is: 219,480.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    293,179.43 : 404,588.39 = 159,043.43 : x
  2. Step 2: Convert to fraction form
    293,179.43/404,588.39 = 159,043.43/x
  3. Step 3: Cross multiply
    293,179.43x = 404,588.39 × 159,043.43
  4. Step 4: Simplify right side
    293,179.43x = 64,347,122,465.62
  5. Step 5: Solve for x
    x = 64,347,122,465.62/293,179.43
  6. Step 6: Final answer
    x = 219,480.35

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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.