Finding the Fourth Proportional to 169,122.25, 233,396.13 and 93,670.75
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Solution
The fourth proportional to 169,122.25, 233,396.13 and 93,670.75 is: 129,269.75
Step by Step Solution
- Step 1: Write the proportion equation
169,122.25 : 233,396.13 = 93,670.75 : x - Step 2: Convert to fraction form
169,122.25/233,396.13 = 93,670.75/x - Step 3: Cross multiply
169,122.25x = 233,396.13 × 93,670.75 - Step 4: Simplify right side
169,122.25x = 21,862,390,544.20 - Step 5: Solve for x
x = 21,862,390,544.20/169,122.25 - Step 6: Final answer
x = 129,269.75
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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.