Finding the Fourth Proportional to 133,967.40, 184,875.84 and 73,540.68
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Solution
The fourth proportional to 133,967.40, 184,875.84 and 73,540.68 is: 101,486.59
Step by Step Solution
- Step 1: Write the proportion equation
133,967.40 : 184,875.84 = 73,540.68 : x - Step 2: Convert to fraction form
133,967.40/184,875.84 = 73,540.68/x - Step 3: Cross multiply
133,967.40x = 184,875.84 × 73,540.68 - Step 4: Simplify right side
133,967.40x = 13,595,894,989.17 - Step 5: Solve for x
x = 13,595,894,989.17/133,967.40 - Step 6: Final answer
x = 101,486.59
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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.