Finding the Fourth Proportional to 119,702.97, 165,174.56 and 68,717.93
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Solution
The fourth proportional to 119,702.97, 165,174.56 and 68,717.93 is: 94,821.82
Step by Step Solution
- Step 1: Write the proportion equation
119,702.97 : 165,174.56 = 68,717.93 : x - Step 2: Convert to fraction form
119,702.97/165,174.56 = 68,717.93/x - Step 3: Cross multiply
119,702.97x = 165,174.56 × 68,717.93 - Step 4: Simplify right side
119,702.97x = 11,350,452,940.09 - Step 5: Solve for x
x = 11,350,452,940.09/119,702.97 - Step 6: Final answer
x = 94,821.82
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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.