Finding the Fourth Proportional to 178,017.05, 267,024.90 and 72,835.99
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Solution
The fourth proportional to 178,017.05, 267,024.90 and 72,835.99 is: 109,253.70
Step by Step Solution
- Step 1: Write the proportion equation
178,017.05 : 267,024.90 = 72,835.99 : x - Step 2: Convert to fraction form
178,017.05/267,024.90 = 72,835.99/x - Step 3: Cross multiply
178,017.05x = 267,024.90 × 72,835.99 - Step 4: Simplify right side
178,017.05x = 19,449,022,278.59 - Step 5: Solve for x
x = 19,449,022,278.59/178,017.05 - Step 6: Final answer
x = 109,253.70
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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.