Finding the Fourth Proportional to 168,292.69, 232,243.91 and 92,841.19
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Solution
The fourth proportional to 168,292.69, 232,243.91 and 92,841.19 is: 128,120.84
Step by Step Solution
- Step 1: Write the proportion equation
168,292.69 : 232,243.91 = 92,841.19 : x - Step 2: Convert to fraction form
168,292.69/232,243.91 = 92,841.19/x - Step 3: Cross multiply
168,292.69x = 232,243.91 × 92,841.19 - Step 4: Simplify right side
168,292.69x = 21,561,800,277.99 - Step 5: Solve for x
x = 21,561,800,277.99/168,292.69 - Step 6: Final answer
x = 128,120.84
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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.