Finding the Fourth Proportional to 101,458.72, 152,055.60 and 70,228
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Solution
The fourth proportional to 101,458.72, 152,055.60 and 70,228 is: 105,250.30
Step by Step Solution
- Step 1: Write the proportion equation
101,458.72 : 152,055.60 = 70,228 : x - Step 2: Convert to fraction form
101,458.72/152,055.60 = 70,228/x - Step 3: Cross multiply
101,458.72x = 152,055.60 × 70,228 - Step 4: Simplify right side
101,458.72x = 10,678,560,676.80 - Step 5: Solve for x
x = 10,678,560,676.80/101,458.72 - Step 6: Final answer
x = 105,250.30
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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.