Finding the Fourth Proportional to 129,696.15, 179,000.37 and 93,873.09
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Solution
The fourth proportional to 129,696.15, 179,000.37 and 93,873.09 is: 129,559.11
Step by Step Solution
- Step 1: Write the proportion equation
129,696.15 : 179,000.37 = 93,873.09 : x - Step 2: Convert to fraction form
129,696.15/179,000.37 = 93,873.09/x - Step 3: Cross multiply
129,696.15x = 179,000.37 × 93,873.09 - Step 4: Simplify right side
129,696.15x = 16,803,317,843.04 - Step 5: Solve for x
x = 16,803,317,843.04/129,696.15 - Step 6: Final answer
x = 129,559.11
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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.