Finding the Fourth Proportional to 165,657.80, 248,486.70 and 165,657.80
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Solution
The fourth proportional to 165,657.80, 248,486.70 and 165,657.80 is: 248,486.70
Step by Step Solution
- Step 1: Write the proportion equation
165,657.80 : 248,486.70 = 165,657.80 : x - Step 2: Convert to fraction form
165,657.80/248,486.70 = 165,657.80/x - Step 3: Cross multiply
165,657.80x = 248,486.70 × 165,657.80 - Step 4: Simplify right side
165,657.80x = 41,163,760,051.26 - Step 5: Solve for x
x = 41,163,760,051.26/165,657.80 - Step 6: Final answer
x = 248,486.70
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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.