Finding the Fourth Proportional to 117,990.68, 176,987.84 and 33,749.26
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Solution
The fourth proportional to 117,990.68, 176,987.84 and 33,749.26 is: 50,624.41
Step by Step Solution
- Step 1: Write the proportion equation
117,990.68 : 176,987.84 = 33,749.26 : x - Step 2: Convert to fraction form
117,990.68/176,987.84 = 33,749.26/x - Step 3: Cross multiply
117,990.68x = 176,987.84 × 33,749.26 - Step 4: Simplify right side
117,990.68x = 5,973,208,017.78 - Step 5: Solve for x
x = 5,973,208,017.78/117,990.68 - Step 6: Final answer
x = 50,624.41
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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.