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Finding the Fourth Proportional to 68,187.44, 102,274.68 and 23,805.92

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Solution

The fourth proportional to 68,187.44, 102,274.68 and 23,805.92 is: 35,706.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,187.44 : 102,274.68 = 23,805.92 : x
  2. Step 2: Convert to fraction form
    68,187.44/102,274.68 = 23,805.92/x
  3. Step 3: Cross multiply
    68,187.44x = 102,274.68 × 23,805.92
  4. Step 4: Simplify right side
    68,187.44x = 2,434,742,850.11
  5. Step 5: Solve for x
    x = 2,434,742,850.11/68,187.44
  6. Step 6: Final answer
    x = 35,706.62

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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.