Finding the Fourth Proportional to 246,495.70, 369,743.55 and 80,283.70
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Solution
The fourth proportional to 246,495.70, 369,743.55 and 80,283.70 is: 120,425.55
Step by Step Solution
- Step 1: Write the proportion equation
246,495.70 : 369,743.55 = 80,283.70 : x - Step 2: Convert to fraction form
246,495.70/369,743.55 = 80,283.70/x - Step 3: Cross multiply
246,495.70x = 369,743.55 × 80,283.70 - Step 4: Simplify right side
246,495.70x = 29,684,380,245.14 - Step 5: Solve for x
x = 29,684,380,245.14/246,495.70 - Step 6: Final answer
x = 120,425.55
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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.