Finding the Fourth Proportional to 124,414.08, 171,691.02 and 67,825.44
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Solution
The fourth proportional to 124,414.08, 171,691.02 and 67,825.44 is: 93,598.88
Step by Step Solution
- Step 1: Write the proportion equation
124,414.08 : 171,691.02 = 67,825.44 : x - Step 2: Convert to fraction form
124,414.08/171,691.02 = 67,825.44/x - Step 3: Cross multiply
124,414.08x = 171,691.02 × 67,825.44 - Step 4: Simplify right side
124,414.08x = 11,645,018,975.55 - Step 5: Solve for x
x = 11,645,018,975.55/124,414.08 - Step 6: Final answer
x = 93,598.88
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1.5x scale
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.