Finding the Fourth Proportional to 177,627.20, 245,289.20 and 114,075.68
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Solution
The fourth proportional to 177,627.20, 245,289.20 and 114,075.68 is: 157,529.54
Step by Step Solution
- Step 1: Write the proportion equation
177,627.20 : 245,289.20 = 114,075.68 : x - Step 2: Convert to fraction form
177,627.20/245,289.20 = 114,075.68/x - Step 3: Cross multiply
177,627.20x = 245,289.20 × 114,075.68 - Step 4: Simplify right side
177,627.20x = 27,981,530,489.83 - Step 5: Solve for x
x = 27,981,530,489.83/177,627.20 - Step 6: Final answer
x = 157,529.54
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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.