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Finding the Fourth Proportional to 67,295.43, 100,813.78 and 37,623.28

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Solution

The fourth proportional to 67,295.43, 100,813.78 and 37,623.28 is: 56,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,295.43 : 100,813.78 = 37,623.28 : x
  2. Step 2: Convert to fraction form
    67,295.43/100,813.78 = 37,623.28/x
  3. Step 3: Cross multiply
    67,295.43x = 100,813.78 × 37,623.28
  4. Step 4: Simplify right side
    67,295.43x = 3,792,945,072.80
  5. Step 5: Solve for x
    x = 3,792,945,072.80/67,295.43
  6. Step 6: Final answer
    x = 56,362.60

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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.