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Finding the Fourth Proportional to 73,679.75, 110,484.64 and 33,686.87

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Solution

The fourth proportional to 73,679.75, 110,484.64 and 33,686.87 is: 50,514.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,679.75 : 110,484.64 = 33,686.87 : x
  2. Step 2: Convert to fraction form
    73,679.75/110,484.64 = 33,686.87/x
  3. Step 3: Cross multiply
    73,679.75x = 110,484.64 × 33,686.87
  4. Step 4: Simplify right side
    73,679.75x = 3,721,881,704.68
  5. Step 5: Solve for x
    x = 3,721,881,704.68/73,679.75
  6. Step 6: Final answer
    x = 50,514.31

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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.