Finding the Fourth Proportional to 118,333.49, 177,555.54 and 51,764.99
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Solution
The fourth proportional to 118,333.49, 177,555.54 and 51,764.99 is: 77,671.68
Step by Step Solution
- Step 1: Write the proportion equation
118,333.49 : 177,555.54 = 51,764.99 : x - Step 2: Convert to fraction form
118,333.49/177,555.54 = 51,764.99/x - Step 3: Cross multiply
118,333.49x = 177,555.54 × 51,764.99 - Step 4: Simplify right side
118,333.49x = 9,191,160,752.54 - Step 5: Solve for x
x = 9,191,160,752.54/118,333.49 - Step 6: Final answer
x = 77,671.68
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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.