Finding the Fourth Proportional to 116,636.90, 174,851.16 and 45,542.99
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Solution
The fourth proportional to 116,636.90, 174,851.16 and 45,542.99 is: 68,273.81
Step by Step Solution
- Step 1: Write the proportion equation
116,636.90 : 174,851.16 = 45,542.99 : x - Step 2: Convert to fraction form
116,636.90/174,851.16 = 45,542.99/x - Step 3: Cross multiply
116,636.90x = 174,851.16 × 45,542.99 - Step 4: Simplify right side
116,636.90x = 7,963,245,118.56 - Step 5: Solve for x
x = 7,963,245,118.56/116,636.90 - Step 6: Final answer
x = 68,273.81
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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.