Finding the Fourth Proportional to 167,974.65, 251,961.57 and 55,655.19
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Solution
The fourth proportional to 167,974.65, 251,961.57 and 55,655.19 is: 83,482.65
Step by Step Solution
- Step 1: Write the proportion equation
167,974.65 : 251,961.57 = 55,655.19 : x - Step 2: Convert to fraction form
167,974.65/251,961.57 = 55,655.19/x - Step 3: Cross multiply
167,974.65x = 251,961.57 × 55,655.19 - Step 4: Simplify right side
167,974.65x = 14,022,969,051.05 - Step 5: Solve for x
x = 14,022,969,051.05/167,974.65 - Step 6: Final answer
x = 83,482.65
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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.