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Finding the Fourth Proportional to 68,235.17, 102,367.47 and 33,194.57

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Solution

The fourth proportional to 68,235.17, 102,367.47 and 33,194.57 is: 49,799.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,235.17 : 102,367.47 = 33,194.57 : x
  2. Step 2: Convert to fraction form
    68,235.17/102,367.47 = 33,194.57/x
  3. Step 3: Cross multiply
    68,235.17x = 102,367.47 × 33,194.57
  4. Step 4: Simplify right side
    68,235.17x = 3,398,044,148.64
  5. Step 5: Solve for x
    x = 3,398,044,148.64/68,235.17
  6. Step 6: Final answer
    x = 49,799.01

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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.