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Finding the Fourth Proportional to 69,696.96, 104,486.66 and 30,224.34

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Solution

The fourth proportional to 69,696.96, 104,486.66 and 30,224.34 is: 45,311.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,696.96 : 104,486.66 = 30,224.34 : x
  2. Step 2: Convert to fraction form
    69,696.96/104,486.66 = 30,224.34/x
  3. Step 3: Cross multiply
    69,696.96x = 104,486.66 × 30,224.34
  4. Step 4: Simplify right side
    69,696.96x = 3,158,040,299.52
  5. Step 5: Solve for x
    x = 3,158,040,299.52/69,696.96
  6. Step 6: Final answer
    x = 45,311.02

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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.