Finding the Fourth Proportional to 125,743.24, 188,593.26 and 36,994.60
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Solution
The fourth proportional to 125,743.24, 188,593.26 and 36,994.60 is: 55,485.55
Step by Step Solution
- Step 1: Write the proportion equation
125,743.24 : 188,593.26 = 36,994.60 : x - Step 2: Convert to fraction form
125,743.24/188,593.26 = 36,994.60/x - Step 3: Cross multiply
125,743.24x = 188,593.26 × 36,994.60 - Step 4: Simplify right side
125,743.24x = 6,976,932,216.40 - Step 5: Solve for x
x = 6,976,932,216.40/125,743.24 - Step 6: Final answer
x = 55,485.55
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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.