Finding the Fourth Proportional to 318,584.46, 477,876.12 and 94,102.55
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Solution
The fourth proportional to 318,584.46, 477,876.12 and 94,102.55 is: 141,153.65
Step by Step Solution
- Step 1: Write the proportion equation
318,584.46 : 477,876.12 = 94,102.55 : x - Step 2: Convert to fraction form
318,584.46/477,876.12 = 94,102.55/x - Step 3: Cross multiply
318,584.46x = 477,876.12 × 94,102.55 - Step 4: Simplify right side
318,584.46x = 44,969,359,086.73 - Step 5: Solve for x
x = 44,969,359,086.73/318,584.46 - Step 6: Final answer
x = 141,153.65
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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.