Finding the Fourth Proportional to 121,024.16, 167,010.42 and 65,832.08
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Solution
The fourth proportional to 121,024.16, 167,010.42 and 65,832.08 is: 90,846.68
Step by Step Solution
- Step 1: Write the proportion equation
121,024.16 : 167,010.42 = 65,832.08 : x - Step 2: Convert to fraction form
121,024.16/167,010.42 = 65,832.08/x - Step 3: Cross multiply
121,024.16x = 167,010.42 × 65,832.08 - Step 4: Simplify right side
121,024.16x = 10,994,643,330.27 - Step 5: Solve for x
x = 10,994,643,330.27/121,024.16 - Step 6: Final answer
x = 90,846.68
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1.5x scale
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.