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Finding the Fourth Proportional to 67,222.53, 100,850.40 and 27,790.92

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Solution

The fourth proportional to 67,222.53, 100,850.40 and 27,790.92 is: 41,693.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,222.53 : 100,850.40 = 27,790.92 : x
  2. Step 2: Convert to fraction form
    67,222.53/100,850.40 = 27,790.92/x
  3. Step 3: Cross multiply
    67,222.53x = 100,850.40 × 27,790.92
  4. Step 4: Simplify right side
    67,222.53x = 2,802,725,398.37
  5. Step 5: Solve for x
    x = 2,802,725,398.37/67,222.53
  6. Step 6: Final answer
    x = 41,693.24

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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.