Finding the Fourth Proportional to 119,852.44, 165,396.24 and 66,137.44
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Solution
The fourth proportional to 119,852.44, 165,396.24 and 66,137.44 is: 91,269.60
Step by Step Solution
- Step 1: Write the proportion equation
119,852.44 : 165,396.24 = 66,137.44 : x - Step 2: Convert to fraction form
119,852.44/165,396.24 = 66,137.44/x - Step 3: Cross multiply
119,852.44x = 165,396.24 × 66,137.44 - Step 4: Simplify right side
119,852.44x = 10,938,883,899.23 - Step 5: Solve for x
x = 10,938,883,899.23/119,852.44 - Step 6: Final answer
x = 91,269.60
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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.