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Finding the Fourth Proportional to 67,363.74, 92,939.40 and 43,506.54

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Solution

The fourth proportional to 67,363.74, 92,939.40 and 43,506.54 is: 60,024.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,363.74 : 92,939.40 = 43,506.54 : x
  2. Step 2: Convert to fraction form
    67,363.74/92,939.40 = 43,506.54/x
  3. Step 3: Cross multiply
    67,363.74x = 92,939.40 × 43,506.54
  4. Step 4: Simplify right side
    67,363.74x = 4,043,471,723.68
  5. Step 5: Solve for x
    x = 4,043,471,723.68/67,363.74
  6. Step 6: Final answer
    x = 60,024.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.