Finding the Fourth Proportional to 116,984.06, 161,437.41 and 63,268.94
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Solution
The fourth proportional to 116,984.06, 161,437.41 and 63,268.94 is: 87,310.82
Step by Step Solution
- Step 1: Write the proportion equation
116,984.06 : 161,437.41 = 63,268.94 : x - Step 2: Convert to fraction form
116,984.06/161,437.41 = 63,268.94/x - Step 3: Cross multiply
116,984.06x = 161,437.41 × 63,268.94 - Step 4: Simplify right side
116,984.06x = 10,213,973,807.05 - Step 5: Solve for x
x = 10,213,973,807.05/116,984.06 - Step 6: Final answer
x = 87,310.82
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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.