Finding the Fourth Proportional to 211,933.13, 292,337.91 and 125,833.64
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Solution
The fourth proportional to 211,933.13, 292,337.91 and 125,833.64 is: 173,573.35
Step by Step Solution
- Step 1: Write the proportion equation
211,933.13 : 292,337.91 = 125,833.64 : x - Step 2: Convert to fraction form
211,933.13/292,337.91 = 125,833.64/x - Step 3: Cross multiply
211,933.13x = 292,337.91 × 125,833.64 - Step 4: Simplify right side
211,933.13x = 36,785,941,863.60 - Step 5: Solve for x
x = 36,785,941,863.60/211,933.13 - Step 6: Final answer
x = 173,573.35
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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.