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Finding the Fourth Proportional to 103,625.63, 155,438.45 and 33,504.95

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Solution

The fourth proportional to 103,625.63, 155,438.45 and 33,504.95 is: 50,257.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,625.63 : 155,438.45 = 33,504.95 : x
  2. Step 2: Convert to fraction form
    103,625.63/155,438.45 = 33,504.95/x
  3. Step 3: Cross multiply
    103,625.63x = 155,438.45 × 33,504.95
  4. Step 4: Simplify right side
    103,625.63x = 5,207,957,495.33
  5. Step 5: Solve for x
    x = 5,207,957,495.33/103,625.63
  6. Step 6: Final answer
    x = 50,257.43

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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.