Finding the Fourth Proportional to 165,788.70, 248,683.05 and 41,129.70
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Solution
The fourth proportional to 165,788.70, 248,683.05 and 41,129.70 is: 61,694.55
Step by Step Solution
- Step 1: Write the proportion equation
165,788.70 : 248,683.05 = 41,129.70 : x - Step 2: Convert to fraction form
165,788.70/248,683.05 = 41,129.70/x - Step 3: Cross multiply
165,788.70x = 248,683.05 × 41,129.70 - Step 4: Simplify right side
165,788.70x = 10,228,259,241.59 - Step 5: Solve for x
x = 10,228,259,241.59/165,788.70 - Step 6: Final answer
x = 61,694.55
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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.