Finding the Fourth Proportional to 140,771.26, 211,113.18 and 50,802.28
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Solution
The fourth proportional to 140,771.26, 211,113.18 and 50,802.28 is: 76,187.65
Step by Step Solution
- Step 1: Write the proportion equation
140,771.26 : 211,113.18 = 50,802.28 : x - Step 2: Convert to fraction form
140,771.26/211,113.18 = 50,802.28/x - Step 3: Cross multiply
140,771.26x = 211,113.18 × 50,802.28 - Step 4: Simplify right side
140,771.26x = 10,725,030,882.05 - Step 5: Solve for x
x = 10,725,030,882.05/140,771.26 - Step 6: Final answer
x = 76,187.65
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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.