Finding the Fourth Proportional to 168,654.88, 232,723.92 and 93,198.88
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Solution
The fourth proportional to 168,654.88, 232,723.92 and 93,198.88 is: 128,603.50
Step by Step Solution
- Step 1: Write the proportion equation
168,654.88 : 232,723.92 = 93,198.88 : x - Step 2: Convert to fraction form
168,654.88/232,723.92 = 93,198.88/x - Step 3: Cross multiply
168,654.88x = 232,723.92 × 93,198.88 - Step 4: Simplify right side
168,654.88x = 21,689,608,693.21 - Step 5: Solve for x
x = 21,689,608,693.21/168,654.88 - Step 6: Final answer
x = 128,603.50
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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.