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Finding the Fourth Proportional to 68,625.54, 102,869.01 and 33,034.59

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Solution

The fourth proportional to 68,625.54, 102,869.01 and 33,034.59 is: 49,518.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,625.54 : 102,869.01 = 33,034.59 : x
  2. Step 2: Convert to fraction form
    68,625.54/102,869.01 = 33,034.59/x
  3. Step 3: Cross multiply
    68,625.54x = 102,869.01 × 33,034.59
  4. Step 4: Simplify right side
    68,625.54x = 3,398,235,569.06
  5. Step 5: Solve for x
    x = 3,398,235,569.06/68,625.54
  6. Step 6: Final answer
    x = 49,518.53

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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.