Finding the Fourth Proportional to 125,130.30, 187,662.60 and 46,267.08
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Solution
The fourth proportional to 125,130.30, 187,662.60 and 46,267.08 is: 69,388.47
Step by Step Solution
- Step 1: Write the proportion equation
125,130.30 : 187,662.60 = 46,267.08 : x - Step 2: Convert to fraction form
125,130.30/187,662.60 = 46,267.08/x - Step 3: Cross multiply
125,130.30x = 187,662.60 × 46,267.08 - Step 4: Simplify right side
125,130.30x = 8,682,600,527.21 - Step 5: Solve for x
x = 8,682,600,527.21/125,130.30 - Step 6: Final answer
x = 69,388.47
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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.