Finding the Fourth Proportional to 282,064.18, 423,158.56 and 104,571.19
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Solution
The fourth proportional to 282,064.18, 423,158.56 and 104,571.19 is: 156,879.88
Step by Step Solution
- Step 1: Write the proportion equation
282,064.18 : 423,158.56 = 104,571.19 : x - Step 2: Convert to fraction form
282,064.18/423,158.56 = 104,571.19/x - Step 3: Cross multiply
282,064.18x = 423,158.56 × 104,571.19 - Step 4: Simplify right side
282,064.18x = 44,250,194,445.41 - Step 5: Solve for x
x = 44,250,194,445.41/282,064.18 - Step 6: Final answer
x = 156,879.88
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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.