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Finding the Fourth Proportional to 68,408.70, 102,623.31 and 24,027.63

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Solution

The fourth proportional to 68,408.70, 102,623.31 and 24,027.63 is: 36,045.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,408.70 : 102,623.31 = 24,027.63 : x
  2. Step 2: Convert to fraction form
    68,408.70/102,623.31 = 24,027.63/x
  3. Step 3: Cross multiply
    68,408.70x = 102,623.31 × 24,027.63
  4. Step 4: Simplify right side
    68,408.70x = 2,465,794,922.06
  5. Step 5: Solve for x
    x = 2,465,794,922.06/68,408.70
  6. Step 6: Final answer
    x = 36,045.05

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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.