Finding the Fourth Proportional to 168,472.48, 232,493.76 and 93,020.80
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Solution
The fourth proportional to 168,472.48, 232,493.76 and 93,020.80 is: 128,369.66
Step by Step Solution
- Step 1: Write the proportion equation
168,472.48 : 232,493.76 = 93,020.80 : x - Step 2: Convert to fraction form
168,472.48/232,493.76 = 93,020.80/x - Step 3: Cross multiply
168,472.48x = 232,493.76 × 93,020.80 - Step 4: Simplify right side
168,472.48x = 21,626,755,550.21 - Step 5: Solve for x
x = 21,626,755,550.21/168,472.48 - Step 6: Final answer
x = 128,369.66
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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.