Finding the Fourth Proportional to 101,575.17, 140,197.06 and 67,585.09
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Solution
The fourth proportional to 101,575.17, 140,197.06 and 67,585.09 is: 93,282.94
Step by Step Solution
- Step 1: Write the proportion equation
101,575.17 : 140,197.06 = 67,585.09 : x - Step 2: Convert to fraction form
101,575.17/140,197.06 = 67,585.09/x - Step 3: Cross multiply
101,575.17x = 140,197.06 × 67,585.09 - Step 4: Simplify right side
101,575.17x = 9,475,230,917.84 - Step 5: Solve for x
x = 9,475,230,917.84/101,575.17 - Step 6: Final answer
x = 93,282.94
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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.