Finding the Fourth Proportional to 110,629.80, 152,682.84 and 67,600.44
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Solution
The fourth proportional to 110,629.80, 152,682.84 and 67,600.44 is: 93,296.99
Step by Step Solution
- Step 1: Write the proportion equation
110,629.80 : 152,682.84 = 67,600.44 : x - Step 2: Convert to fraction form
110,629.80/152,682.84 = 67,600.44/x - Step 3: Cross multiply
110,629.80x = 152,682.84 × 67,600.44 - Step 4: Simplify right side
110,629.80x = 10,321,427,164.45 - Step 5: Solve for x
x = 10,321,427,164.45/110,629.80 - Step 6: Final answer
x = 93,296.99
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.