Finding the Fourth Proportional to 107,497.60, 161,197.80 and 48,302.80
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Solution
The fourth proportional to 107,497.60, 161,197.80 and 48,302.80 is: 72,432.36
Step by Step Solution
- Step 1: Write the proportion equation
107,497.60 : 161,197.80 = 48,302.80 : x - Step 2: Convert to fraction form
107,497.60/161,197.80 = 48,302.80/x - Step 3: Cross multiply
107,497.60x = 161,197.80 × 48,302.80 - Step 4: Simplify right side
107,497.60x = 7,786,305,093.84 - Step 5: Solve for x
x = 7,786,305,093.84/107,497.60 - Step 6: Final answer
x = 72,432.36
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1.5x scale
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.