Finding the Fourth Proportional to 132,052.49, 182,236.56 and 74,690.70
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Solution
The fourth proportional to 132,052.49, 182,236.56 and 74,690.70 is: 103,075.50
Step by Step Solution
- Step 1: Write the proportion equation
132,052.49 : 182,236.56 = 74,690.70 : x - Step 2: Convert to fraction form
132,052.49/182,236.56 = 74,690.70/x - Step 3: Cross multiply
132,052.49x = 182,236.56 × 74,690.70 - Step 4: Simplify right side
132,052.49x = 13,611,376,231.99 - Step 5: Solve for x
x = 13,611,376,231.99/132,052.49 - Step 6: Final answer
x = 103,075.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.