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Finding the Fourth Proportional to 68,124.60, 102,186.90 and 23,736.60

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Solution

The fourth proportional to 68,124.60, 102,186.90 and 23,736.60 is: 35,604.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,124.60 : 102,186.90 = 23,736.60 : x
  2. Step 2: Convert to fraction form
    68,124.60/102,186.90 = 23,736.60/x
  3. Step 3: Cross multiply
    68,124.60x = 102,186.90 × 23,736.60
  4. Step 4: Simplify right side
    68,124.60x = 2,425,569,570.54
  5. Step 5: Solve for x
    x = 2,425,569,570.54/68,124.60
  6. Step 6: Final answer
    x = 35,604.90

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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.