Finding the Fourth Proportional to 167,149.13, 250,694.55 and 77,184.18
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Solution
The fourth proportional to 167,149.13, 250,694.55 and 77,184.18 is: 115,762.82
Step by Step Solution
- Step 1: Write the proportion equation
167,149.13 : 250,694.55 = 77,184.18 : x - Step 2: Convert to fraction form
167,149.13/250,694.55 = 77,184.18/x - Step 3: Cross multiply
167,149.13x = 250,694.55 × 77,184.18 - Step 4: Simplify right side
167,149.13x = 19,349,653,272.22 - Step 5: Solve for x
x = 19,349,653,272.22/167,149.13 - Step 6: Final answer
x = 115,762.82
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.