Finding the Fourth Proportional to 122,926.74, 184,328.34 and 71,651.88
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Solution
The fourth proportional to 122,926.74, 184,328.34 and 71,651.88 is: 107,441.82
Step by Step Solution
- Step 1: Write the proportion equation
122,926.74 : 184,328.34 = 71,651.88 : x - Step 2: Convert to fraction form
122,926.74/184,328.34 = 71,651.88/x - Step 3: Cross multiply
122,926.74x = 184,328.34 × 71,651.88 - Step 4: Simplify right side
122,926.74x = 13,207,472,098.28 - Step 5: Solve for x
x = 13,207,472,098.28/122,926.74 - Step 6: Final answer
x = 107,441.82
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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.