Finding the Fourth Proportional to 370,635.12, 555,843.62 and 168,114.06
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Solution
The fourth proportional to 370,635.12, 555,843.62 and 168,114.06 is: 252,121.62
Step by Step Solution
- Step 1: Write the proportion equation
370,635.12 : 555,843.62 = 168,114.06 : x - Step 2: Convert to fraction form
370,635.12/555,843.62 = 168,114.06/x - Step 3: Cross multiply
370,635.12x = 555,843.62 × 168,114.06 - Step 4: Simplify right side
370,635.12x = 93,445,127,683.30 - Step 5: Solve for x
x = 93,445,127,683.30/370,635.12 - Step 6: Final answer
x = 252,121.62
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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.