Finding the Fourth Proportional to 133,412.72, 184,113.90 and 76,050.99
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Solution
The fourth proportional to 133,412.72, 184,113.90 and 76,050.99 is: 104,952.85
Step by Step Solution
- Step 1: Write the proportion equation
133,412.72 : 184,113.90 = 76,050.99 : x - Step 2: Convert to fraction form
133,412.72/184,113.90 = 76,050.99/x - Step 3: Cross multiply
133,412.72x = 184,113.90 × 76,050.99 - Step 4: Simplify right side
133,412.72x = 14,002,044,367.76 - Step 5: Solve for x
x = 14,002,044,367.76/133,412.72 - Step 6: Final answer
x = 104,952.85
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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.