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Finding the Fourth Proportional to 68,814.74, 103,197.36 and 23,823.88

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Solution

The fourth proportional to 68,814.74, 103,197.36 and 23,823.88 is: 35,727.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,814.74 : 103,197.36 = 23,823.88 : x
  2. Step 2: Convert to fraction form
    68,814.74/103,197.36 = 23,823.88/x
  3. Step 3: Cross multiply
    68,814.74x = 103,197.36 × 23,823.88
  4. Step 4: Simplify right side
    68,814.74x = 2,458,561,520.96
  5. Step 5: Solve for x
    x = 2,458,561,520.96/68,814.74
  6. Step 6: Final answer
    x = 35,727.25

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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.