Finding the Fourth Proportional to 161,461.24, 242,191.63 and 54,856.26
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Solution
The fourth proportional to 161,461.24, 242,191.63 and 54,856.26 is: 82,284.32
Step by Step Solution
- Step 1: Write the proportion equation
161,461.24 : 242,191.63 = 54,856.26 : x - Step 2: Convert to fraction form
161,461.24/242,191.63 = 54,856.26/x - Step 3: Cross multiply
161,461.24x = 242,191.63 × 54,856.26 - Step 4: Simplify right side
161,461.24x = 13,285,727,504.84 - Step 5: Solve for x
x = 13,285,727,504.84/161,461.24 - Step 6: Final answer
x = 82,284.32
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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.