Finding the Fourth Proportional to 107,249.31, 160,873.95 and 37,128.60
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Solution
The fourth proportional to 107,249.31, 160,873.95 and 37,128.60 is: 55,692.89
Step by Step Solution
- Step 1: Write the proportion equation
107,249.31 : 160,873.95 = 37,128.60 : x - Step 2: Convert to fraction form
107,249.31/160,873.95 = 37,128.60/x - Step 3: Cross multiply
107,249.31x = 160,873.95 × 37,128.60 - Step 4: Simplify right side
107,249.31x = 5,973,024,539.97 - Step 5: Solve for x
x = 5,973,024,539.97/107,249.31 - Step 6: Final answer
x = 55,692.89
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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.