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Finding the Fourth Proportional to 67,493.27, 101,343.95 and 57,099.86

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Solution

The fourth proportional to 67,493.27, 101,343.95 and 57,099.86 is: 85,737.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,493.27 : 101,343.95 = 57,099.86 : x
  2. Step 2: Convert to fraction form
    67,493.27/101,343.95 = 57,099.86/x
  3. Step 3: Cross multiply
    67,493.27x = 101,343.95 × 57,099.86
  4. Step 4: Simplify right side
    67,493.27x = 5,786,725,356.85
  5. Step 5: Solve for x
    x = 5,786,725,356.85/67,493.27
  6. Step 6: Final answer
    x = 85,737.81

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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.