Finding the Fourth Proportional to 251,590.16, 377,324.76 and 74,048.96
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Solution
The fourth proportional to 251,590.16, 377,324.76 and 74,048.96 is: 111,055.64
Step by Step Solution
- Step 1: Write the proportion equation
251,590.16 : 377,324.76 = 74,048.96 : x - Step 2: Convert to fraction form
251,590.16/377,324.76 = 74,048.96/x - Step 3: Cross multiply
251,590.16x = 377,324.76 × 74,048.96 - Step 4: Simplify right side
251,590.16x = 27,940,506,060.25 - Step 5: Solve for x
x = 27,940,506,060.25/251,590.16 - Step 6: Final answer
x = 111,055.64
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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.