Finding the Fourth Proportional to 126,634.62, 175,554.93 and 119,893.26
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Solution
The fourth proportional to 126,634.62, 175,554.93 and 119,893.26 is: 166,209.31
Step by Step Solution
- Step 1: Write the proportion equation
126,634.62 : 175,554.93 = 119,893.26 : x - Step 2: Convert to fraction form
126,634.62/175,554.93 = 119,893.26/x - Step 3: Cross multiply
126,634.62x = 175,554.93 × 119,893.26 - Step 4: Simplify right side
126,634.62x = 21,047,852,866.77 - Step 5: Solve for x
x = 21,047,852,866.77/126,634.62 - Step 6: Final answer
x = 166,209.31
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Why These Related Problems?
These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.