Finding the Fourth Proportional to 127,340.36, 190,965.18 and 48,475.88
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Solution
The fourth proportional to 127,340.36, 190,965.18 and 48,475.88 is: 72,696.55
Step by Step Solution
- Step 1: Write the proportion equation
127,340.36 : 190,965.18 = 48,475.88 : x - Step 2: Convert to fraction form
127,340.36/190,965.18 = 48,475.88/x - Step 3: Cross multiply
127,340.36x = 190,965.18 × 48,475.88 - Step 4: Simplify right side
127,340.36x = 9,257,205,149.86 - Step 5: Solve for x
x = 9,257,205,149.86/127,340.36 - Step 6: Final answer
x = 72,696.55
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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.