Finding the Fourth Proportional to 133,478.99, 184,195.45 and 73,048.13
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Solution
The fourth proportional to 133,478.99, 184,195.45 and 73,048.13 is: 100,803.38
Step by Step Solution
- Step 1: Write the proportion equation
133,478.99 : 184,195.45 = 73,048.13 : x - Step 2: Convert to fraction form
133,478.99/184,195.45 = 73,048.13/x - Step 3: Cross multiply
133,478.99x = 184,195.45 × 73,048.13 - Step 4: Simplify right side
133,478.99x = 13,455,133,177.01 - Step 5: Solve for x
x = 13,455,133,177.01/133,478.99 - Step 6: Final answer
x = 100,803.38
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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.