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Finding the Fourth Proportional to 68,273.15, 102,456.17 and 41,897.39

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Solution

The fourth proportional to 68,273.15, 102,456.17 and 41,897.39 is: 62,874.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,273.15 : 102,456.17 = 41,897.39 : x
  2. Step 2: Convert to fraction form
    68,273.15/102,456.17 = 41,897.39/x
  3. Step 3: Cross multiply
    68,273.15x = 102,456.17 × 41,897.39
  4. Step 4: Simplify right side
    68,273.15x = 4,292,645,390.63
  5. Step 5: Solve for x
    x = 4,292,645,390.63/68,273.15
  6. Step 6: Final answer
    x = 62,874.58

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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.