Finding the Fourth Proportional to 98,262.48, 147,379.35 and 48,329.19
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Solution
The fourth proportional to 98,262.48, 147,379.35 and 48,329.19 is: 72,486.72
Step by Step Solution
- Step 1: Write the proportion equation
98,262.48 : 147,379.35 = 48,329.19 : x - Step 2: Convert to fraction form
98,262.48/147,379.35 = 48,329.19/x - Step 3: Cross multiply
98,262.48x = 147,379.35 × 48,329.19 - Step 4: Simplify right side
98,262.48x = 7,122,724,608.23 - Step 5: Solve for x
x = 7,122,724,608.23/98,262.48 - Step 6: Final answer
x = 72,486.72
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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.