Finding the Fourth Proportional to 105,588.97, 158,276.84 and 66,173.76
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Solution
The fourth proportional to 105,588.97, 158,276.84 and 66,173.76 is: 99,193.82
Step by Step Solution
- Step 1: Write the proportion equation
105,588.97 : 158,276.84 = 66,173.76 : x - Step 2: Convert to fraction form
105,588.97/158,276.84 = 66,173.76/x - Step 3: Cross multiply
105,588.97x = 158,276.84 × 66,173.76 - Step 4: Simplify right side
105,588.97x = 10,473,773,292.85 - Step 5: Solve for x
x = 10,473,773,292.85/105,588.97 - Step 6: Final answer
x = 99,193.82
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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.