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Finding the Fourth Proportional to 64,737.09, 97,163.52 and 33,168.66

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Solution

The fourth proportional to 64,737.09, 97,163.52 and 33,168.66 is: 49,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,737.09 : 97,163.52 = 33,168.66 : x
  2. Step 2: Convert to fraction form
    64,737.09/97,163.52 = 33,168.66/x
  3. Step 3: Cross multiply
    64,737.09x = 97,163.52 × 33,168.66
  4. Step 4: Simplify right side
    64,737.09x = 3,222,783,759.28
  5. Step 5: Solve for x
    x = 3,222,783,759.28/64,737.09
  6. Step 6: Final answer
    x = 49,782.65

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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.