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Finding the Fourth Proportional to 68,874.10, 103,271.01 and 26,704.92

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Solution

The fourth proportional to 68,874.10, 103,271.01 and 26,704.92 is: 40,041.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,874.10 : 103,271.01 = 26,704.92 : x
  2. Step 2: Convert to fraction form
    68,874.10/103,271.01 = 26,704.92/x
  3. Step 3: Cross multiply
    68,874.10x = 103,271.01 × 26,704.92
  4. Step 4: Simplify right side
    68,874.10x = 2,757,843,410.49
  5. Step 5: Solve for x
    x = 2,757,843,410.49/68,874.10
  6. Step 6: Final answer
    x = 40,041.81

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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.