Finding the Fourth Proportional to 124,415.56, 171,693.08 and 67,826.96
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Solution
The fourth proportional to 124,415.56, 171,693.08 and 67,826.96 is: 93,600.99
Step by Step Solution
- Step 1: Write the proportion equation
124,415.56 : 171,693.08 = 67,826.96 : x - Step 2: Convert to fraction form
124,415.56/171,693.08 = 67,826.96/x - Step 3: Cross multiply
124,415.56x = 171,693.08 × 67,826.96 - Step 4: Simplify right side
124,415.56x = 11,645,419,669.44 - Step 5: Solve for x
x = 11,645,419,669.44/124,415.56 - Step 6: Final answer
x = 93,600.99
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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.