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Finding the Fourth Proportional to 90,366.58, 124,706.60 and 50,081

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Solution

The fourth proportional to 90,366.58, 124,706.60 and 50,081 is: 69,112.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,366.58 : 124,706.60 = 50,081 : x
  2. Step 2: Convert to fraction form
    90,366.58/124,706.60 = 50,081/x
  3. Step 3: Cross multiply
    90,366.58x = 124,706.60 × 50,081
  4. Step 4: Simplify right side
    90,366.58x = 6,245,431,234.60
  5. Step 5: Solve for x
    x = 6,245,431,234.60/90,366.58
  6. Step 6: Final answer
    x = 69,112.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.