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Finding the Fourth Proportional to 103,640.08, 155,460.12 and 33,524.86

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Solution

The fourth proportional to 103,640.08, 155,460.12 and 33,524.86 is: 50,287.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,640.08 : 155,460.12 = 33,524.86 : x
  2. Step 2: Convert to fraction form
    103,640.08/155,460.12 = 33,524.86/x
  3. Step 3: Cross multiply
    103,640.08x = 155,460.12 × 33,524.86
  4. Step 4: Simplify right side
    103,640.08x = 5,211,778,758.58
  5. Step 5: Solve for x
    x = 5,211,778,758.58/103,640.08
  6. Step 6: Final answer
    x = 50,287.29

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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.