Finding the Fourth Proportional to 141,668.26, 212,451.36 and 46,880.96
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Solution
The fourth proportional to 141,668.26, 212,451.36 and 46,880.96 is: 70,304.55
Step by Step Solution
- Step 1: Write the proportion equation
141,668.26 : 212,451.36 = 46,880.96 : x - Step 2: Convert to fraction form
141,668.26/212,451.36 = 46,880.96/x - Step 3: Cross multiply
141,668.26x = 212,451.36 × 46,880.96 - Step 4: Simplify right side
141,668.26x = 9,959,923,710.11 - Step 5: Solve for x
x = 9,959,923,710.11/141,668.26 - Step 6: Final answer
x = 70,304.55
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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.