Finding the Fourth Proportional to 168,626.19, 232,704.75 and 92,145.28
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Solution
The fourth proportional to 168,626.19, 232,704.75 and 92,145.28 is: 127,160.82
Step by Step Solution
- Step 1: Write the proportion equation
168,626.19 : 232,704.75 = 92,145.28 : x - Step 2: Convert to fraction form
168,626.19/232,704.75 = 92,145.28/x - Step 3: Cross multiply
168,626.19x = 232,704.75 × 92,145.28 - Step 4: Simplify right side
168,626.19x = 21,442,644,346.08 - Step 5: Solve for x
x = 21,442,644,346.08/168,626.19 - Step 6: Final answer
x = 127,160.82
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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.