Finding the Fourth Proportional to 134,995.77, 186,295.95 and 74,566.26
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Solution
The fourth proportional to 134,995.77, 186,295.95 and 74,566.26 is: 102,902.43
Step by Step Solution
- Step 1: Write the proportion equation
134,995.77 : 186,295.95 = 74,566.26 : x - Step 2: Convert to fraction form
134,995.77/186,295.95 = 74,566.26/x - Step 3: Cross multiply
134,995.77x = 186,295.95 × 74,566.26 - Step 4: Simplify right side
134,995.77x = 13,891,392,244.65 - Step 5: Solve for x
x = 13,891,392,244.65/134,995.77 - Step 6: Final answer
x = 102,902.43
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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.