Finding the Fourth Proportional to 116,034.24, 160,157.28 and 71,359.68
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Solution
The fourth proportional to 116,034.24, 160,157.28 and 71,359.68 is: 98,494.83
Step by Step Solution
- Step 1: Write the proportion equation
116,034.24 : 160,157.28 = 71,359.68 : x - Step 2: Convert to fraction form
116,034.24/160,157.28 = 71,359.68/x - Step 3: Cross multiply
116,034.24x = 160,157.28 × 71,359.68 - Step 4: Simplify right side
116,034.24x = 11,428,772,250.47 - Step 5: Solve for x
x = 11,428,772,250.47/116,034.24 - Step 6: Final answer
x = 98,494.83
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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.