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Finding the Fourth Proportional to 68,093.79, 102,187.67 and 23,720.91

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Solution

The fourth proportional to 68,093.79, 102,187.67 and 23,720.91 is: 35,597.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,093.79 : 102,187.67 = 23,720.91 : x
  2. Step 2: Convert to fraction form
    68,093.79/102,187.67 = 23,720.91/x
  3. Step 3: Cross multiply
    68,093.79x = 102,187.67 × 23,720.91
  4. Step 4: Simplify right side
    68,093.79x = 2,423,984,404.58
  5. Step 5: Solve for x
    x = 2,423,984,404.58/68,093.79
  6. Step 6: Final answer
    x = 35,597.73

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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.