Finding the Fourth Proportional to 178,491.68, 267,595.68 and 88,471.20
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Solution
The fourth proportional to 178,491.68, 267,595.68 and 88,471.20 is: 132,636.50
Step by Step Solution
- Step 1: Write the proportion equation
178,491.68 : 267,595.68 = 88,471.20 : x - Step 2: Convert to fraction form
178,491.68/267,595.68 = 88,471.20/x - Step 3: Cross multiply
178,491.68x = 267,595.68 × 88,471.20 - Step 4: Simplify right side
178,491.68x = 23,674,510,924.42 - Step 5: Solve for x
x = 23,674,510,924.42/178,491.68 - Step 6: Final answer
x = 132,636.50
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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.