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Finding the Fourth Proportional to 68,305.88, 94,226.29 and 55,573.29

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Solution

The fourth proportional to 68,305.88, 94,226.29 and 55,573.29 is: 76,661.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,305.88 : 94,226.29 = 55,573.29 : x
  2. Step 2: Convert to fraction form
    68,305.88/94,226.29 = 55,573.29/x
  3. Step 3: Cross multiply
    68,305.88x = 94,226.29 × 55,573.29
  4. Step 4: Simplify right side
    68,305.88x = 5,236,464,800.86
  5. Step 5: Solve for x
    x = 5,236,464,800.86/68,305.88
  6. Step 6: Final answer
    x = 76,661.99

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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.