Finding the Fourth Proportional to 168,364.83, 232,336.16 and 91,881.99
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Solution
The fourth proportional to 168,364.83, 232,336.16 and 91,881.99 is: 126,793.16
Step by Step Solution
- Step 1: Write the proportion equation
168,364.83 : 232,336.16 = 91,881.99 : x - Step 2: Convert to fraction form
168,364.83/232,336.16 = 91,881.99/x - Step 3: Cross multiply
168,364.83x = 232,336.16 × 91,881.99 - Step 4: Simplify right side
168,364.83x = 21,347,508,270.35 - Step 5: Solve for x
x = 21,347,508,270.35/168,364.83 - Step 6: Final answer
x = 126,793.16
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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.