Finding the Fourth Proportional to 374,091.46, 561,215.99 and 121,352.21
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Solution
The fourth proportional to 374,091.46, 561,215.99 and 121,352.21 is: 182,053.88
Step by Step Solution
- Step 1: Write the proportion equation
374,091.46 : 561,215.99 = 121,352.21 : x - Step 2: Convert to fraction form
374,091.46/561,215.99 = 121,352.21/x - Step 3: Cross multiply
374,091.46x = 561,215.99 × 121,352.21 - Step 4: Simplify right side
374,091.46x = 68,104,800,977.22 - Step 5: Solve for x
x = 68,104,800,977.22/374,091.46 - Step 6: Final answer
x = 182,053.88
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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.