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Finding the Fourth Proportional to 68,153.35, 102,273.75 and 33,073.87

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Solution

The fourth proportional to 68,153.35, 102,273.75 and 33,073.87 is: 49,632.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,153.35 : 102,273.75 = 33,073.87 : x
  2. Step 2: Convert to fraction form
    68,153.35/102,273.75 = 33,073.87/x
  3. Step 3: Cross multiply
    68,153.35x = 102,273.75 × 33,073.87
  4. Step 4: Simplify right side
    68,153.35x = 3,382,588,456.23
  5. Step 5: Solve for x
    x = 3,382,588,456.23/68,153.35
  6. Step 6: Final answer
    x = 49,632.02

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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.