Finding the Fourth Proportional to 168,716.96, 252,992.82 and 56,358.62
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Solution
The fourth proportional to 168,716.96, 252,992.82 and 56,358.62 is: 84,510.33
Step by Step Solution
- Step 1: Write the proportion equation
168,716.96 : 252,992.82 = 56,358.62 : x - Step 2: Convert to fraction form
168,716.96/252,992.82 = 56,358.62/x - Step 3: Cross multiply
168,716.96x = 252,992.82 × 56,358.62 - Step 4: Simplify right side
168,716.96x = 14,258,326,205.11 - Step 5: Solve for x
x = 14,258,326,205.11/168,716.96 - Step 6: Final answer
x = 84,510.33
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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.