Finding the Fourth Proportional to 166,431.05, 229,676.24 and 94,809.95
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Solution
The fourth proportional to 166,431.05, 229,676.24 and 94,809.95 is: 130,838.52
Step by Step Solution
- Step 1: Write the proportion equation
166,431.05 : 229,676.24 = 94,809.95 : x - Step 2: Convert to fraction form
166,431.05/229,676.24 = 94,809.95/x - Step 3: Cross multiply
166,431.05x = 229,676.24 × 94,809.95 - Step 4: Simplify right side
166,431.05x = 21,775,592,356.54 - Step 5: Solve for x
x = 21,775,592,356.54/166,431.05 - Step 6: Final answer
x = 130,838.52
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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.