Finding the Fourth Proportional to 165,243.24, 228,035.07 and 93,636.90
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Solution
The fourth proportional to 165,243.24, 228,035.07 and 93,636.90 is: 129,218.58
Step by Step Solution
- Step 1: Write the proportion equation
165,243.24 : 228,035.07 = 93,636.90 : x - Step 2: Convert to fraction form
165,243.24/228,035.07 = 93,636.90/x - Step 3: Cross multiply
165,243.24x = 228,035.07 × 93,636.90 - Step 4: Simplify right side
165,243.24x = 21,352,497,046.08 - Step 5: Solve for x
x = 21,352,497,046.08/165,243.24 - Step 6: Final answer
x = 129,218.58
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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.