Finding the Fourth Proportional to 168,508.88, 252,768.52 and 73,690.26
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Solution
The fourth proportional to 168,508.88, 252,768.52 and 73,690.26 is: 110,537.66
Step by Step Solution
- Step 1: Write the proportion equation
168,508.88 : 252,768.52 = 73,690.26 : x - Step 2: Convert to fraction form
168,508.88/252,768.52 = 73,690.26/x - Step 3: Cross multiply
168,508.88x = 252,768.52 × 73,690.26 - Step 4: Simplify right side
168,508.88x = 18,626,577,958.62 - Step 5: Solve for x
x = 18,626,577,958.62/168,508.88 - Step 6: Final answer
x = 110,537.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.