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Finding the Fourth Proportional to 68,372.71, 102,571.10 and 23,383.49

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Solution

The fourth proportional to 68,372.71, 102,571.10 and 23,383.49 is: 35,079.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,372.71 : 102,571.10 = 23,383.49 : x
  2. Step 2: Convert to fraction form
    68,372.71/102,571.10 = 23,383.49/x
  3. Step 3: Cross multiply
    68,372.71x = 102,571.10 × 23,383.49
  4. Step 4: Simplify right side
    68,372.71x = 2,398,470,291.14
  5. Step 5: Solve for x
    x = 2,398,470,291.14/68,372.71
  6. Step 6: Final answer
    x = 35,079.35

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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.