Finding the Fourth Proportional to 134,835.05, 202,252.58 and 126,524.45
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Solution
The fourth proportional to 134,835.05, 202,252.58 and 126,524.45 is: 189,786.68
Step by Step Solution
- Step 1: Write the proportion equation
134,835.05 : 202,252.58 = 126,524.45 : x - Step 2: Convert to fraction form
134,835.05/202,252.58 = 126,524.45/x - Step 3: Cross multiply
134,835.05x = 202,252.58 × 126,524.45 - Step 4: Simplify right side
134,835.05x = 25,589,896,445.58 - Step 5: Solve for x
x = 25,589,896,445.58/134,835.05 - Step 6: Final answer
x = 189,786.68
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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.