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Finding the Fourth Proportional to 68,496.52, 102,744.52 and 18,576.49

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Solution

The fourth proportional to 68,496.52, 102,744.52 and 18,576.49 is: 27,864.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,496.52 : 102,744.52 = 18,576.49 : x
  2. Step 2: Convert to fraction form
    68,496.52/102,744.52 = 18,576.49/x
  3. Step 3: Cross multiply
    68,496.52x = 102,744.52 × 18,576.49
  4. Step 4: Simplify right side
    68,496.52x = 1,908,632,548.33
  5. Step 5: Solve for x
    x = 1,908,632,548.33/68,496.52
  6. Step 6: Final answer
    x = 27,864.66

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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.