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Finding the Fourth Proportional to 68,561.46, 94,616.31 and 48,453.82

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Solution

The fourth proportional to 68,561.46, 94,616.31 and 48,453.82 is: 66,867.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,561.46 : 94,616.31 = 48,453.82 : x
  2. Step 2: Convert to fraction form
    68,561.46/94,616.31 = 48,453.82/x
  3. Step 3: Cross multiply
    68,561.46x = 94,616.31 × 48,453.82
  4. Step 4: Simplify right side
    68,561.46x = 4,584,521,653.80
  5. Step 5: Solve for x
    x = 4,584,521,653.80/68,561.46
  6. Step 6: Final answer
    x = 66,867.33

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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.