Finding the Fourth Proportional to 122,930.96, 184,355.38 and 48,031.68
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Solution
The fourth proportional to 122,930.96, 184,355.38 and 48,031.68 is: 72,031.48
Step by Step Solution
- Step 1: Write the proportion equation
122,930.96 : 184,355.38 = 48,031.68 : x - Step 2: Convert to fraction form
122,930.96/184,355.38 = 48,031.68/x - Step 3: Cross multiply
122,930.96x = 184,355.38 × 48,031.68 - Step 4: Simplify right side
122,930.96x = 8,854,898,618.44 - Step 5: Solve for x
x = 8,854,898,618.44/122,930.96 - Step 6: Final answer
x = 72,031.48
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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.