Finding the Fourth Proportional to 132,460.25, 182,791.35 and 75,105.08
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Solution
The fourth proportional to 132,460.25, 182,791.35 and 75,105.08 is: 103,642.85
Step by Step Solution
- Step 1: Write the proportion equation
132,460.25 : 182,791.35 = 75,105.08 : x - Step 2: Convert to fraction form
132,460.25/182,791.35 = 75,105.08/x - Step 3: Cross multiply
132,460.25x = 182,791.35 × 75,105.08 - Step 4: Simplify right side
132,460.25x = 13,728,558,051.10 - Step 5: Solve for x
x = 13,728,558,051.10/132,460.25 - Step 6: Final answer
x = 103,642.85
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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.