Finding the Fourth Proportional to 213,543.44, 294,664.36 and 118,037.15
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Solution
The fourth proportional to 213,543.44, 294,664.36 and 118,037.15 is: 162,877.12
Step by Step Solution
- Step 1: Write the proportion equation
213,543.44 : 294,664.36 = 118,037.15 : x - Step 2: Convert to fraction form
213,543.44/294,664.36 = 118,037.15/x - Step 3: Cross multiply
213,543.44x = 294,664.36 × 118,037.15 - Step 4: Simplify right side
213,543.44x = 34,781,341,260.97 - Step 5: Solve for x
x = 34,781,341,260.97/213,543.44 - Step 6: Final answer
x = 162,877.12
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.