Finding the Fourth Proportional to 117,632.03, 176,348.85 and 51,021.99
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Solution
The fourth proportional to 117,632.03, 176,348.85 and 51,021.99 is: 76,489.96
Step by Step Solution
- Step 1: Write the proportion equation
117,632.03 : 176,348.85 = 51,021.99 : x - Step 2: Convert to fraction form
117,632.03/176,348.85 = 51,021.99/x - Step 3: Cross multiply
117,632.03x = 176,348.85 × 51,021.99 - Step 4: Simplify right side
117,632.03x = 8,997,669,069.88 - Step 5: Solve for x
x = 8,997,669,069.88/117,632.03 - Step 6: Final answer
x = 76,489.96
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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.