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Finding the Fourth Proportional to 103,910.85, 155,754.50 and 44,774.37

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Solution

The fourth proportional to 103,910.85, 155,754.50 and 44,774.37 is: 67,113.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,910.85 : 155,754.50 = 44,774.37 : x
  2. Step 2: Convert to fraction form
    103,910.85/155,754.50 = 44,774.37/x
  3. Step 3: Cross multiply
    103,910.85x = 155,754.50 × 44,774.37
  4. Step 4: Simplify right side
    103,910.85x = 6,973,809,388.29
  5. Step 5: Solve for x
    x = 6,973,809,388.29/103,910.85
  6. Step 6: Final answer
    x = 67,113.39

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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.