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Finding the Fourth Proportional to 73,161.60, 100,970.44 and 52,760.44

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Solution

The fourth proportional to 73,161.60, 100,970.44 and 52,760.44 is: 72,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,161.60 : 100,970.44 = 52,760.44 : x
  2. Step 2: Convert to fraction form
    73,161.60/100,970.44 = 52,760.44/x
  3. Step 3: Cross multiply
    73,161.60x = 100,970.44 × 52,760.44
  4. Step 4: Simplify right side
    73,161.60x = 5,327,244,841.39
  5. Step 5: Solve for x
    x = 5,327,244,841.39/73,161.60
  6. Step 6: Final answer
    x = 72,814.77

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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.