Finding the Fourth Proportional to 104,378.44, 156,567.12 and 25,493.08
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Solution
The fourth proportional to 104,378.44, 156,567.12 and 25,493.08 is: 38,239.49
Step by Step Solution
- Step 1: Write the proportion equation
104,378.44 : 156,567.12 = 25,493.08 : x - Step 2: Convert to fraction form
104,378.44/156,567.12 = 25,493.08/x - Step 3: Cross multiply
104,378.44x = 156,567.12 × 25,493.08 - Step 4: Simplify right side
104,378.44x = 3,991,378,115.53 - Step 5: Solve for x
x = 3,991,378,115.53/104,378.44 - Step 6: Final answer
x = 38,239.49
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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.