Finding the Fourth Proportional to 177,029.74, 265,593.82 and 77,198.66
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Solution
The fourth proportional to 177,029.74, 265,593.82 and 77,198.66 is: 115,819.45
Step by Step Solution
- Step 1: Write the proportion equation
177,029.74 : 265,593.82 = 77,198.66 : x - Step 2: Convert to fraction form
177,029.74/265,593.82 = 77,198.66/x - Step 3: Cross multiply
177,029.74x = 265,593.82 × 77,198.66 - Step 4: Simplify right side
177,029.74x = 20,503,487,008.28 - Step 5: Solve for x
x = 20,503,487,008.28/177,029.74 - Step 6: Final answer
x = 115,819.45
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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.