Finding the Fourth Proportional to 179,090.44, 247,122.36 and 121,073.44
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Solution
The fourth proportional to 179,090.44, 247,122.36 and 121,073.44 is: 167,066.17
Step by Step Solution
- Step 1: Write the proportion equation
179,090.44 : 247,122.36 = 121,073.44 : x - Step 2: Convert to fraction form
179,090.44/247,122.36 = 121,073.44/x - Step 3: Cross multiply
179,090.44x = 247,122.36 × 121,073.44 - Step 4: Simplify right side
179,090.44x = 29,919,954,226.12 - Step 5: Solve for x
x = 29,919,954,226.12/179,090.44 - Step 6: Final answer
x = 167,066.17
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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.