Finding the Fourth Proportional to 134,799.60, 202,102.20 and 88,078.80
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Solution
The fourth proportional to 134,799.60, 202,102.20 and 88,078.80 is: 132,054.69
Step by Step Solution
- Step 1: Write the proportion equation
134,799.60 : 202,102.20 = 88,078.80 : x - Step 2: Convert to fraction form
134,799.60/202,102.20 = 88,078.80/x - Step 3: Cross multiply
134,799.60x = 202,102.20 × 88,078.80 - Step 4: Simplify right side
134,799.60x = 17,800,919,253.36 - Step 5: Solve for x
x = 17,800,919,253.36/134,799.60 - Step 6: Final answer
x = 132,054.69
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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.