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Finding the Fourth Proportional to 159,245.72, 238,794.43 and 92,704.88

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Solution

The fourth proportional to 159,245.72, 238,794.43 and 92,704.88 is: 139,014.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,245.72 : 238,794.43 = 92,704.88 : x
  2. Step 2: Convert to fraction form
    159,245.72/238,794.43 = 92,704.88/x
  3. Step 3: Cross multiply
    159,245.72x = 238,794.43 × 92,704.88
  4. Step 4: Simplify right side
    159,245.72x = 22,137,408,845.25
  5. Step 5: Solve for x
    x = 22,137,408,845.25/159,245.72
  6. Step 6: Final answer
    x = 139,014.15

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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.