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Finding the Fourth Proportional to 68,382.78, 94,322.16 and 59,414.91

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Solution

The fourth proportional to 68,382.78, 94,322.16 and 59,414.91 is: 81,952.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,382.78 : 94,322.16 = 59,414.91 : x
  2. Step 2: Convert to fraction form
    68,382.78/94,322.16 = 59,414.91/x
  3. Step 3: Cross multiply
    68,382.78x = 94,322.16 × 59,414.91
  4. Step 4: Simplify right side
    68,382.78x = 5,604,142,647.41
  5. Step 5: Solve for x
    x = 5,604,142,647.41/68,382.78
  6. Step 6: Final answer
    x = 81,952.54

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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.