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Finding the Fourth Proportional to 236,956.48, 326,947.26 and 136,354.48

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Solution

The fourth proportional to 236,956.48, 326,947.26 and 136,354.48 is: 188,138.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,956.48 : 326,947.26 = 136,354.48 : x
  2. Step 2: Convert to fraction form
    236,956.48/326,947.26 = 136,354.48/x
  3. Step 3: Cross multiply
    236,956.48x = 326,947.26 × 136,354.48
  4. Step 4: Simplify right side
    236,956.48x = 44,580,723,624.72
  5. Step 5: Solve for x
    x = 44,580,723,624.72/236,956.48
  6. Step 6: Final answer
    x = 188,138.87

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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.