Finding the Fourth Proportional to 125,705.44, 188,474.96 and 49,753.68
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Solution
The fourth proportional to 125,705.44, 188,474.96 and 49,753.68 is: 74,597.59
Step by Step Solution
- Step 1: Write the proportion equation
125,705.44 : 188,474.96 = 49,753.68 : x - Step 2: Convert to fraction form
125,705.44/188,474.96 = 49,753.68/x - Step 3: Cross multiply
125,705.44x = 188,474.96 × 49,753.68 - Step 4: Simplify right side
125,705.44x = 9,377,322,847.85 - Step 5: Solve for x
x = 9,377,322,847.85/125,705.44 - Step 6: Final answer
x = 74,597.59
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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.