Finding the Fourth Proportional to 123,411.78, 185,117.70 and 44,525.99
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Solution
The fourth proportional to 123,411.78, 185,117.70 and 44,525.99 is: 66,788.99
Step by Step Solution
- Step 1: Write the proportion equation
123,411.78 : 185,117.70 = 44,525.99 : x - Step 2: Convert to fraction form
123,411.78/185,117.70 = 44,525.99/x - Step 3: Cross multiply
123,411.78x = 185,117.70 × 44,525.99 - Step 4: Simplify right side
123,411.78x = 8,242,547,933.43 - Step 5: Solve for x
x = 8,242,547,933.43/123,411.78 - Step 6: Final answer
x = 66,788.99
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1.5x scale
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.