Finding the Fourth Proportional to 118,147.84, 177,232.79 and 47,053.33
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Solution
The fourth proportional to 118,147.84, 177,232.79 and 47,053.33 is: 70,584.39
Step by Step Solution
- Step 1: Write the proportion equation
118,147.84 : 177,232.79 = 47,053.33 : x - Step 2: Convert to fraction form
118,147.84/177,232.79 = 47,053.33/x - Step 3: Cross multiply
118,147.84x = 177,232.79 × 47,053.33 - Step 4: Simplify right side
118,147.84x = 8,339,392,629.24 - Step 5: Solve for x
x = 8,339,392,629.24/118,147.84 - Step 6: Final answer
x = 70,584.39
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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.