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Finding the Fourth Proportional to 79,256.68, 109,375.72 and 43,446.44

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Solution

The fourth proportional to 79,256.68, 109,375.72 and 43,446.44 is: 59,956.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,256.68 : 109,375.72 = 43,446.44 : x
  2. Step 2: Convert to fraction form
    79,256.68/109,375.72 = 43,446.44/x
  3. Step 3: Cross multiply
    79,256.68x = 109,375.72 × 43,446.44
  4. Step 4: Simplify right side
    79,256.68x = 4,751,985,656.44
  5. Step 5: Solve for x
    x = 4,751,985,656.44/79,256.68
  6. Step 6: Final answer
    x = 59,956.91

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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.