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Finding the Fourth Proportional to 68,262.82, 102,440.36 and 23,889.96

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Solution

The fourth proportional to 68,262.82, 102,440.36 and 23,889.96 is: 35,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,262.82 : 102,440.36 = 23,889.96 : x
  2. Step 2: Convert to fraction form
    68,262.82/102,440.36 = 23,889.96/x
  3. Step 3: Cross multiply
    68,262.82x = 102,440.36 × 23,889.96
  4. Step 4: Simplify right side
    68,262.82x = 2,447,296,102.79
  5. Step 5: Solve for x
    x = 2,447,296,102.79/68,262.82
  6. Step 6: Final answer
    x = 35,851.08

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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.