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Finding the Fourth Proportional to 185,659.76, 278,504.36 and 52,540.85

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Solution

The fourth proportional to 185,659.76, 278,504.36 and 52,540.85 is: 78,815.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,659.76 : 278,504.36 = 52,540.85 : x
  2. Step 2: Convert to fraction form
    185,659.76/278,504.36 = 52,540.85/x
  3. Step 3: Cross multiply
    185,659.76x = 278,504.36 × 52,540.85
  4. Step 4: Simplify right side
    185,659.76x = 14,632,854,147.88
  5. Step 5: Solve for x
    x = 14,632,854,147.88/185,659.76
  6. Step 6: Final answer
    x = 78,815.43

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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.