Finding the Fourth Proportional to 118,312.68, 177,469.49 and 29,566.28
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Solution
The fourth proportional to 118,312.68, 177,469.49 and 29,566.28 is: 44,349.54
Step by Step Solution
- Step 1: Write the proportion equation
118,312.68 : 177,469.49 = 29,566.28 : x - Step 2: Convert to fraction form
118,312.68/177,469.49 = 29,566.28/x - Step 3: Cross multiply
118,312.68x = 177,469.49 × 29,566.28 - Step 4: Simplify right side
118,312.68x = 5,247,112,632.80 - Step 5: Solve for x
x = 5,247,112,632.80/118,312.68 - Step 6: Final answer
x = 44,349.54
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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.