Finding the Fourth Proportional to 124,120.92, 171,283.50 and 67,531.08
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Solution
The fourth proportional to 124,120.92, 171,283.50 and 67,531.08 is: 93,191.06
Step by Step Solution
- Step 1: Write the proportion equation
124,120.92 : 171,283.50 = 67,531.08 : x - Step 2: Convert to fraction form
124,120.92/171,283.50 = 67,531.08/x - Step 3: Cross multiply
124,120.92x = 171,283.50 × 67,531.08 - Step 4: Simplify right side
124,120.92x = 11,566,959,741.18 - Step 5: Solve for x
x = 11,566,959,741.18/124,120.92 - Step 6: Final answer
x = 93,191.06
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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.