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Finding the Fourth Proportional to 67,712.99, 101,608.38 and 52,880.27

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Solution

The fourth proportional to 67,712.99, 101,608.38 and 52,880.27 is: 79,350.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,712.99 : 101,608.38 = 52,880.27 : x
  2. Step 2: Convert to fraction form
    67,712.99/101,608.38 = 52,880.27/x
  3. Step 3: Cross multiply
    67,712.99x = 101,608.38 × 52,880.27
  4. Step 4: Simplify right side
    67,712.99x = 5,373,078,568.66
  5. Step 5: Solve for x
    x = 5,373,078,568.66/67,712.99
  6. Step 6: Final answer
    x = 79,350.78

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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.