Finding the Fourth Proportional to 181,406.74, 272,110.16 and 53,323.05
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Solution
The fourth proportional to 181,406.74, 272,110.16 and 53,323.05 is: 79,984.59
Step by Step Solution
- Step 1: Write the proportion equation
181,406.74 : 272,110.16 = 53,323.05 : x - Step 2: Convert to fraction form
181,406.74/272,110.16 = 53,323.05/x - Step 3: Cross multiply
181,406.74x = 272,110.16 × 53,323.05 - Step 4: Simplify right side
181,406.74x = 14,509,743,667.19 - Step 5: Solve for x
x = 14,509,743,667.19/181,406.74 - Step 6: Final answer
x = 79,984.59
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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.