Finding the Fourth Proportional to 343,765.44, 515,737.60 and 107,112
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Solution
The fourth proportional to 343,765.44, 515,737.60 and 107,112 is: 160,695.87
Step by Step Solution
- Step 1: Write the proportion equation
343,765.44 : 515,737.60 = 107,112 : x - Step 2: Convert to fraction form
343,765.44/515,737.60 = 107,112/x - Step 3: Cross multiply
343,765.44x = 515,737.60 × 107,112 - Step 4: Simplify right side
343,765.44x = 55,241,685,811.20 - Step 5: Solve for x
x = 55,241,685,811.20/343,765.44 - Step 6: Final answer
x = 160,695.87
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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.