Finding the Fourth Proportional to 168,678.99, 232,770.65 and 92,197.44
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Solution
The fourth proportional to 168,678.99, 232,770.65 and 92,197.44 is: 127,228.99
Step by Step Solution
- Step 1: Write the proportion equation
168,678.99 : 232,770.65 = 92,197.44 : x - Step 2: Convert to fraction form
168,678.99/232,770.65 = 92,197.44/x - Step 3: Cross multiply
168,678.99x = 232,770.65 × 92,197.44 - Step 4: Simplify right side
168,678.99x = 21,460,857,576.15 - Step 5: Solve for x
x = 21,460,857,576.15/168,678.99 - Step 6: Final answer
x = 127,228.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.