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Finding the Fourth Proportional to 68,551.93, 102,786.38 and 44,830.85

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Solution

The fourth proportional to 68,551.93, 102,786.38 and 44,830.85 is: 67,219.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,551.93 : 102,786.38 = 44,830.85 : x
  2. Step 2: Convert to fraction form
    68,551.93/102,786.38 = 44,830.85/x
  3. Step 3: Cross multiply
    68,551.93x = 102,786.38 × 44,830.85
  4. Step 4: Simplify right side
    68,551.93x = 4,608,000,213.85
  5. Step 5: Solve for x
    x = 4,608,000,213.85/68,551.93
  6. Step 6: Final answer
    x = 67,219.12

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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.