Finding the Fourth Proportional to 224,769.40, 337,283.70 and 84,628.60
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Solution
The fourth proportional to 224,769.40, 337,283.70 and 84,628.60 is: 126,991.70
Step by Step Solution
- Step 1: Write the proportion equation
224,769.40 : 337,283.70 = 84,628.60 : x - Step 2: Convert to fraction form
224,769.40/337,283.70 = 84,628.60/x - Step 3: Cross multiply
224,769.40x = 337,283.70 × 84,628.60 - Step 4: Simplify right side
224,769.40x = 28,543,847,333.82 - Step 5: Solve for x
x = 28,543,847,333.82/224,769.40 - Step 6: Final answer
x = 126,991.70
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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.