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Finding the Fourth Proportional to 103,636.30, 155,454.09 and 44,433.58

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Solution

The fourth proportional to 103,636.30, 155,454.09 and 44,433.58 is: 66,650.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,636.30 : 155,454.09 = 44,433.58 : x
  2. Step 2: Convert to fraction form
    103,636.30/155,454.09 = 44,433.58/x
  3. Step 3: Cross multiply
    103,636.30x = 155,454.09 × 44,433.58
  4. Step 4: Simplify right side
    103,636.30x = 6,907,381,744.34
  5. Step 5: Solve for x
    x = 6,907,381,744.34/103,636.30
  6. Step 6: Final answer
    x = 66,650.22

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.