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Finding the Fourth Proportional to 76,227.56, 105,201.82 and 43,963.44

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Solution

The fourth proportional to 76,227.56, 105,201.82 and 43,963.44 is: 60,674.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,227.56 : 105,201.82 = 43,963.44 : x
  2. Step 2: Convert to fraction form
    76,227.56/105,201.82 = 43,963.44/x
  3. Step 3: Cross multiply
    76,227.56x = 105,201.82 × 43,963.44
  4. Step 4: Simplify right side
    76,227.56x = 4,625,033,901.46
  5. Step 5: Solve for x
    x = 4,625,033,901.46/76,227.56
  6. Step 6: Final answer
    x = 60,674.04

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1.5x scale

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.