Finding the Fourth Proportional to 168,603.91, 232,670.66 and 92,121.37
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Solution
The fourth proportional to 168,603.91, 232,670.66 and 92,121.37 is: 127,125.99
Step by Step Solution
- Step 1: Write the proportion equation
168,603.91 : 232,670.66 = 92,121.37 : x - Step 2: Convert to fraction form
168,603.91/232,670.66 = 92,121.37/x - Step 3: Cross multiply
168,603.91x = 232,670.66 × 92,121.37 - Step 4: Simplify right side
168,603.91x = 21,433,938,334.04 - Step 5: Solve for x
x = 21,433,938,334.04/168,603.91 - Step 6: Final answer
x = 127,125.99
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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.