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Finding the Fourth Proportional to 238,600.86, 329,269.86 and 136,627.86

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Solution

The fourth proportional to 238,600.86, 329,269.86 and 136,627.86 is: 188,546.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    238,600.86 : 329,269.86 = 136,627.86 : x
  2. Step 2: Convert to fraction form
    238,600.86/329,269.86 = 136,627.86/x
  3. Step 3: Cross multiply
    238,600.86x = 329,269.86 × 136,627.86
  4. Step 4: Simplify right side
    238,600.86x = 44,987,436,334.30
  5. Step 5: Solve for x
    x = 44,987,436,334.30/238,600.86
  6. Step 6: Final answer
    x = 188,546.83

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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.