Finding the Fourth Proportional to 124,124.36, 171,286.50 and 67,535.96
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Solution
The fourth proportional to 124,124.36, 171,286.50 and 67,535.96 is: 93,196.84
Step by Step Solution
- Step 1: Write the proportion equation
124,124.36 : 171,286.50 = 67,535.96 : x - Step 2: Convert to fraction form
124,124.36/171,286.50 = 67,535.96/x - Step 3: Cross multiply
124,124.36x = 171,286.50 × 67,535.96 - Step 4: Simplify right side
124,124.36x = 11,567,998,212.54 - Step 5: Solve for x
x = 11,567,998,212.54/124,124.36 - Step 6: Final answer
x = 93,196.84
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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.