Finding the Fourth Proportional to 124,246.26, 171,459.09 and 67,657.14
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Solution
The fourth proportional to 124,246.26, 171,459.09 and 67,657.14 is: 93,366.45
Step by Step Solution
- Step 1: Write the proportion equation
124,246.26 : 171,459.09 = 67,657.14 : x - Step 2: Convert to fraction form
124,246.26/171,459.09 = 67,657.14/x - Step 3: Cross multiply
124,246.26x = 171,459.09 × 67,657.14 - Step 4: Simplify right side
124,246.26x = 11,600,431,656.40 - Step 5: Solve for x
x = 11,600,431,656.40/124,246.26 - Step 6: Final answer
x = 93,366.45
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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.