Finding the Fourth Proportional to 134,120.37, 201,149.34 and 49,920.18
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Solution
The fourth proportional to 134,120.37, 201,149.34 and 49,920.18 is: 74,868.66
Step by Step Solution
- Step 1: Write the proportion equation
134,120.37 : 201,149.34 = 49,920.18 : x - Step 2: Convert to fraction form
134,120.37/201,149.34 = 49,920.18/x - Step 3: Cross multiply
134,120.37x = 201,149.34 × 49,920.18 - Step 4: Simplify right side
134,120.37x = 10,041,411,951.59 - Step 5: Solve for x
x = 10,041,411,951.59/134,120.37 - Step 6: Final answer
x = 74,868.66
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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.