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Finding the Fourth Proportional to 68,291.73, 102,451.91 and 23,919.93

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Solution

The fourth proportional to 68,291.73, 102,451.91 and 23,919.93 is: 35,884.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,291.73 : 102,451.91 = 23,919.93 : x
  2. Step 2: Convert to fraction form
    68,291.73/102,451.91 = 23,919.93/x
  3. Step 3: Cross multiply
    68,291.73x = 102,451.91 × 23,919.93
  4. Step 4: Simplify right side
    68,291.73x = 2,450,642,395.97
  5. Step 5: Solve for x
    x = 2,450,642,395.97/68,291.73
  6. Step 6: Final answer
    x = 35,884.91

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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.