Finding the Fourth Proportional to 124,020.64, 171,149.97 and 73,033.48
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Solution
The fourth proportional to 124,020.64, 171,149.97 and 73,033.48 is: 100,787.08
Step by Step Solution
- Step 1: Write the proportion equation
124,020.64 : 171,149.97 = 73,033.48 : x - Step 2: Convert to fraction form
124,020.64/171,149.97 = 73,033.48/x - Step 3: Cross multiply
124,020.64x = 171,149.97 × 73,033.48 - Step 4: Simplify right side
124,020.64x = 12,499,677,911.00 - Step 5: Solve for x
x = 12,499,677,911.00/124,020.64 - Step 6: Final answer
x = 100,787.08
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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.