Finding the Fourth Proportional to 107,037.37, 160,655.69 and 54,486.19
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Solution
The fourth proportional to 107,037.37, 160,655.69 and 54,486.19 is: 81,780.00
Step by Step Solution
- Step 1: Write the proportion equation
107,037.37 : 160,655.69 = 54,486.19 : x - Step 2: Convert to fraction form
107,037.37/160,655.69 = 54,486.19/x - Step 3: Cross multiply
107,037.37x = 160,655.69 × 54,486.19 - Step 4: Simplify right side
107,037.37x = 8,753,516,449.92 - Step 5: Solve for x
x = 8,753,516,449.92/107,037.37 - Step 6: Final answer
x = 81,780.00
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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.