Finding the Fourth Proportional to 168,147.18, 232,033.95 and 92,689.74
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Solution
The fourth proportional to 168,147.18, 232,033.95 and 92,689.74 is: 127,906.79
Step by Step Solution
- Step 1: Write the proportion equation
168,147.18 : 232,033.95 = 92,689.74 : x - Step 2: Convert to fraction form
168,147.18/232,033.95 = 92,689.74/x - Step 3: Cross multiply
168,147.18x = 232,033.95 × 92,689.74 - Step 4: Simplify right side
168,147.18x = 21,507,166,496.67 - Step 5: Solve for x
x = 21,507,166,496.67/168,147.18 - Step 6: Final answer
x = 127,906.79
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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.