Finding the Fourth Proportional to 202,531.92, 303,840.96 and 69,376.44
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Solution
The fourth proportional to 202,531.92, 303,840.96 and 69,376.44 is: 104,079.42
Step by Step Solution
- Step 1: Write the proportion equation
202,531.92 : 303,840.96 = 69,376.44 : x - Step 2: Convert to fraction form
202,531.92/303,840.96 = 69,376.44/x - Step 3: Cross multiply
202,531.92x = 303,840.96 × 69,376.44 - Step 4: Simplify right side
202,531.92x = 21,079,404,130.98 - Step 5: Solve for x
x = 21,079,404,130.98/202,531.92 - Step 6: Final answer
x = 104,079.42
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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.