Finding the Fourth Proportional to 133,474.23, 184,215.15 and 76,113.68
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Solution
The fourth proportional to 133,474.23, 184,215.15 and 76,113.68 is: 105,048.68
Step by Step Solution
- Step 1: Write the proportion equation
133,474.23 : 184,215.15 = 76,113.68 : x - Step 2: Convert to fraction form
133,474.23/184,215.15 = 76,113.68/x - Step 3: Cross multiply
133,474.23x = 184,215.15 × 76,113.68 - Step 4: Simplify right side
133,474.23x = 14,021,292,057.18 - Step 5: Solve for x
x = 14,021,292,057.18/133,474.23 - Step 6: Final answer
x = 105,048.68
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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.