Finding the Fourth Proportional to 372,832.84, 559,113.18 and 136,105.48
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Solution
The fourth proportional to 372,832.84, 559,113.18 and 136,105.48 is: 204,108.54
Step by Step Solution
- Step 1: Write the proportion equation
372,832.84 : 559,113.18 = 136,105.48 : x - Step 2: Convert to fraction form
372,832.84/559,113.18 = 136,105.48/x - Step 3: Cross multiply
372,832.84x = 559,113.18 × 136,105.48 - Step 4: Simplify right side
372,832.84x = 76,098,367,738.23 - Step 5: Solve for x
x = 76,098,367,738.23/372,832.84 - Step 6: Final answer
x = 204,108.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.