Finding the Fourth Proportional to 116,922.96, 161,355.24 and 69,175.08
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Solution
The fourth proportional to 116,922.96, 161,355.24 and 69,175.08 is: 95,462.53
Step by Step Solution
- Step 1: Write the proportion equation
116,922.96 : 161,355.24 = 69,175.08 : x - Step 2: Convert to fraction form
116,922.96/161,355.24 = 69,175.08/x - Step 3: Cross multiply
116,922.96x = 161,355.24 × 69,175.08 - Step 4: Simplify right side
116,922.96x = 11,161,761,635.42 - Step 5: Solve for x
x = 11,161,761,635.42/116,922.96 - Step 6: Final answer
x = 95,462.53
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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.