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Finding the Fourth Proportional to 79,525.44, 109,743.80 and 43,714.68

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Solution

The fourth proportional to 79,525.44, 109,743.80 and 43,714.68 is: 60,325.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.44 : 109,743.80 = 43,714.68 : x
  2. Step 2: Convert to fraction form
    79,525.44/109,743.80 = 43,714.68/x
  3. Step 3: Cross multiply
    79,525.44x = 109,743.80 × 43,714.68
  4. Step 4: Simplify right side
    79,525.44x = 4,797,415,098.98
  5. Step 5: Solve for x
    x = 4,797,415,098.98/79,525.44
  6. Step 6: Final answer
    x = 60,325.54

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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.