Finding the Fourth Proportional to 168,772.72, 232,906.42 and 96,173.54
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Solution
The fourth proportional to 168,772.72, 232,906.42 and 96,173.54 is: 132,719.52
Step by Step Solution
- Step 1: Write the proportion equation
168,772.72 : 232,906.42 = 96,173.54 : x - Step 2: Convert to fraction form
168,772.72/232,906.42 = 96,173.54/x - Step 3: Cross multiply
168,772.72x = 232,906.42 × 96,173.54 - Step 4: Simplify right side
168,772.72x = 22,399,434,900.13 - Step 5: Solve for x
x = 22,399,434,900.13/168,772.72 - Step 6: Final answer
x = 132,719.52
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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.