Finding the Fourth Proportional to 244,580.05, 366,979.43 and 86,921.65
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Solution
The fourth proportional to 244,580.05, 366,979.43 and 86,921.65 is: 130,421.34
Step by Step Solution
- Step 1: Write the proportion equation
244,580.05 : 366,979.43 = 86,921.65 : x - Step 2: Convert to fraction form
244,580.05/366,979.43 = 86,921.65/x - Step 3: Cross multiply
244,580.05x = 366,979.43 × 86,921.65 - Step 4: Simplify right side
244,580.05x = 31,898,457,137.05 - Step 5: Solve for x
x = 31,898,457,137.05/244,580.05 - Step 6: Final answer
x = 130,421.34
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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.