Finding the Fourth Proportional to 116,467.84, 160,724.62 and 65,480.79
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Solution
The fourth proportional to 116,467.84, 160,724.62 and 65,480.79 is: 90,362.93
Step by Step Solution
- Step 1: Write the proportion equation
116,467.84 : 160,724.62 = 65,480.79 : x - Step 2: Convert to fraction form
116,467.84/160,724.62 = 65,480.79/x - Step 3: Cross multiply
116,467.84x = 160,724.62 × 65,480.79 - Step 4: Simplify right side
116,467.84x = 10,524,375,090.05 - Step 5: Solve for x
x = 10,524,375,090.05/116,467.84 - Step 6: Final answer
x = 90,362.93
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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.