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Finding the Fourth Proportional to 73,052.98, 109,491.31 and 35,556.86

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Solution

The fourth proportional to 73,052.98, 109,491.31 and 35,556.86 is: 53,292.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,052.98 : 109,491.31 = 35,556.86 : x
  2. Step 2: Convert to fraction form
    73,052.98/109,491.31 = 35,556.86/x
  3. Step 3: Cross multiply
    73,052.98x = 109,491.31 × 35,556.86
  4. Step 4: Simplify right side
    73,052.98x = 3,893,167,365.72
  5. Step 5: Solve for x
    x = 3,893,167,365.72/73,052.98
  6. Step 6: Final answer
    x = 53,292.38

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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.