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Finding the Fourth Proportional to 69,460.89, 104,143.91 and 33,418.32

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Solution

The fourth proportional to 69,460.89, 104,143.91 and 33,418.32 is: 50,104.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,460.89 : 104,143.91 = 33,418.32 : x
  2. Step 2: Convert to fraction form
    69,460.89/104,143.91 = 33,418.32/x
  3. Step 3: Cross multiply
    69,460.89x = 104,143.91 × 33,418.32
  4. Step 4: Simplify right side
    69,460.89x = 3,480,314,343.34
  5. Step 5: Solve for x
    x = 3,480,314,343.34/69,460.89
  6. Step 6: Final answer
    x = 50,104.66

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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.