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Finding the Fourth Proportional to 68,249.16, 102,373.74 and 26,667

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Solution

The fourth proportional to 68,249.16, 102,373.74 and 26,667 is: 40,000.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,249.16 : 102,373.74 = 26,667 : x
  2. Step 2: Convert to fraction form
    68,249.16/102,373.74 = 26,667/x
  3. Step 3: Cross multiply
    68,249.16x = 102,373.74 × 26,667
  4. Step 4: Simplify right side
    68,249.16x = 2,730,000,524.58
  5. Step 5: Solve for x
    x = 2,730,000,524.58/68,249.16
  6. Step 6: Final answer
    x = 40,000.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.