Finding the Fourth Proportional to 168,888.24, 232,797.78 and 133,021.44
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Solution
The fourth proportional to 168,888.24, 232,797.78 and 133,021.44 is: 183,358.51
Step by Step Solution
- Step 1: Write the proportion equation
168,888.24 : 232,797.78 = 133,021.44 : x - Step 2: Convert to fraction form
168,888.24/232,797.78 = 133,021.44/x - Step 3: Cross multiply
168,888.24x = 232,797.78 × 133,021.44 - Step 4: Simplify right side
168,888.24x = 30,967,095,924.40 - Step 5: Solve for x
x = 30,967,095,924.40/168,888.24 - Step 6: Final answer
x = 183,358.51
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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.