Finding the Fourth Proportional to 133,474.62, 184,194.95 and 73,045.30
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Solution
The fourth proportional to 133,474.62, 184,194.95 and 73,045.30 is: 100,802.50
Step by Step Solution
- Step 1: Write the proportion equation
133,474.62 : 184,194.95 = 73,045.30 : x - Step 2: Convert to fraction form
133,474.62/184,194.95 = 73,045.30/x - Step 3: Cross multiply
133,474.62x = 184,194.95 × 73,045.30 - Step 4: Simplify right side
133,474.62x = 13,454,575,381.24 - Step 5: Solve for x
x = 13,454,575,381.24/133,474.62 - Step 6: Final answer
x = 100,802.50
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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.