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Finding the Fourth Proportional to 68,012.54, 102,026.57 and 18,094.67

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Solution

The fourth proportional to 68,012.54, 102,026.57 and 18,094.67 is: 27,144.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,012.54 : 102,026.57 = 18,094.67 : x
  2. Step 2: Convert to fraction form
    68,012.54/102,026.57 = 18,094.67/x
  3. Step 3: Cross multiply
    68,012.54x = 102,026.57 × 18,094.67
  4. Step 4: Simplify right side
    68,012.54x = 1,846,137,115.38
  5. Step 5: Solve for x
    x = 1,846,137,115.38/68,012.54
  6. Step 6: Final answer
    x = 27,144.07

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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.