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Finding the Fourth Proportional to 73,704.56, 110,556.86 and 26,931.92

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Solution

The fourth proportional to 73,704.56, 110,556.86 and 26,931.92 is: 40,397.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,704.56 : 110,556.86 = 26,931.92 : x
  2. Step 2: Convert to fraction form
    73,704.56/110,556.86 = 26,931.92/x
  3. Step 3: Cross multiply
    73,704.56x = 110,556.86 × 26,931.92
  4. Step 4: Simplify right side
    73,704.56x = 2,977,508,508.97
  5. Step 5: Solve for x
    x = 2,977,508,508.97/73,704.56
  6. Step 6: Final answer
    x = 40,397.89

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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.