Finding the Fourth Proportional to 195,724.24, 294,078.43 and 124,678.83
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Solution
The fourth proportional to 195,724.24, 294,078.43 and 124,678.83 is: 187,331.70
Step by Step Solution
- Step 1: Write the proportion equation
195,724.24 : 294,078.43 = 124,678.83 : x - Step 2: Convert to fraction form
195,724.24/294,078.43 = 124,678.83/x - Step 3: Cross multiply
195,724.24x = 294,078.43 × 124,678.83 - Step 4: Simplify right side
195,724.24x = 36,665,354,580.64 - Step 5: Solve for x
x = 36,665,354,580.64/195,724.24 - Step 6: Final answer
x = 187,331.70
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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.