Finding the Fourth Proportional to 124,809.75, 187,214.67 and 41,703.75
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Solution
The fourth proportional to 124,809.75, 187,214.67 and 41,703.75 is: 62,555.64
Step by Step Solution
- Step 1: Write the proportion equation
124,809.75 : 187,214.67 = 41,703.75 : x - Step 2: Convert to fraction form
124,809.75/187,214.67 = 41,703.75/x - Step 3: Cross multiply
124,809.75x = 187,214.67 × 41,703.75 - Step 4: Simplify right side
124,809.75x = 7,807,553,794.01 - Step 5: Solve for x
x = 7,807,553,794.01/124,809.75 - Step 6: Final answer
x = 62,555.64
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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.