Finding the Fourth Proportional to 123,581.63, 185,386.86 and 44,732.99
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Solution
The fourth proportional to 123,581.63, 185,386.86 and 44,732.99 is: 67,104.70
Step by Step Solution
- Step 1: Write the proportion equation
123,581.63 : 185,386.86 = 44,732.99 : x - Step 2: Convert to fraction form
123,581.63/185,386.86 = 44,732.99/x - Step 3: Cross multiply
123,581.63x = 185,386.86 × 44,732.99 - Step 4: Simplify right side
123,581.63x = 8,292,908,554.51 - Step 5: Solve for x
x = 8,292,908,554.51/123,581.63 - Step 6: Final answer
x = 67,104.70
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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.