Finding the Fourth Proportional to 178,078.91, 267,093.60 and 44,951.05
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Solution
The fourth proportional to 178,078.91, 267,093.60 and 44,951.05 is: 67,420.33
Step by Step Solution
- Step 1: Write the proportion equation
178,078.91 : 267,093.60 = 44,951.05 : x - Step 2: Convert to fraction form
178,078.91/267,093.60 = 44,951.05/x - Step 3: Cross multiply
178,078.91x = 267,093.60 × 44,951.05 - Step 4: Simplify right side
178,078.91x = 12,006,138,186.43 - Step 5: Solve for x
x = 12,006,138,186.43/178,078.91 - Step 6: Final answer
x = 67,420.33
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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.