Finding the Fourth Proportional to 161,742.52, 242,252.68 and 124,024.80
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Solution
The fourth proportional to 161,742.52, 242,252.68 and 124,024.80 is: 185,760.31
Step by Step Solution
- Step 1: Write the proportion equation
161,742.52 : 242,252.68 = 124,024.80 : x - Step 2: Convert to fraction form
161,742.52/242,252.68 = 124,024.80/x - Step 3: Cross multiply
161,742.52x = 242,252.68 × 124,024.80 - Step 4: Simplify right side
161,742.52x = 30,045,340,186.46 - Step 5: Solve for x
x = 30,045,340,186.46/161,742.52 - Step 6: Final answer
x = 185,760.31
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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.