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Finding the Fourth Proportional to 236,418.48, 354,601.43 and 84,609.44

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Solution

The fourth proportional to 236,418.48, 354,601.43 and 84,609.44 is: 126,904.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,418.48 : 354,601.43 = 84,609.44 : x
  2. Step 2: Convert to fraction form
    236,418.48/354,601.43 = 84,609.44/x
  3. Step 3: Cross multiply
    236,418.48x = 354,601.43 × 84,609.44
  4. Step 4: Simplify right side
    236,418.48x = 30,002,626,219.44
  5. Step 5: Solve for x
    x = 30,002,626,219.44/236,418.48
  6. Step 6: Final answer
    x = 126,904.74

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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.