Finding the Fourth Proportional to 168,596.88, 253,020.08 and 79,850.60
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Solution
The fourth proportional to 168,596.88, 253,020.08 and 79,850.60 is: 119,834.99
Step by Step Solution
- Step 1: Write the proportion equation
168,596.88 : 253,020.08 = 79,850.60 : x - Step 2: Convert to fraction form
168,596.88/253,020.08 = 79,850.60/x - Step 3: Cross multiply
168,596.88x = 253,020.08 × 79,850.60 - Step 4: Simplify right side
168,596.88x = 20,203,805,083.40 - Step 5: Solve for x
x = 20,203,805,083.40/168,596.88 - Step 6: Final answer
x = 119,834.99
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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.