Finding the Fourth Proportional to 116,765.44, 161,140.26 and 69,059.68
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Solution
The fourth proportional to 116,765.44, 161,140.26 and 69,059.68 is: 95,304.70
Step by Step Solution
- Step 1: Write the proportion equation
116,765.44 : 161,140.26 = 69,059.68 : x - Step 2: Convert to fraction form
116,765.44/161,140.26 = 69,059.68/x - Step 3: Cross multiply
116,765.44x = 161,140.26 × 69,059.68 - Step 4: Simplify right side
116,765.44x = 11,128,294,790.72 - Step 5: Solve for x
x = 11,128,294,790.72/116,765.44 - Step 6: Final answer
x = 95,304.70
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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.