Finding the Fourth Proportional to 133,823.76, 184,679.15 and 73,393.88
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Solution
The fourth proportional to 133,823.76, 184,679.15 and 73,393.88 is: 101,284.84
Step by Step Solution
- Step 1: Write the proportion equation
133,823.76 : 184,679.15 = 73,393.88 : x - Step 2: Convert to fraction form
133,823.76/184,679.15 = 73,393.88/x - Step 3: Cross multiply
133,823.76x = 184,679.15 × 73,393.88 - Step 4: Simplify right side
133,823.76x = 13,554,318,083.24 - Step 5: Solve for x
x = 13,554,318,083.24/133,823.76 - Step 6: Final answer
x = 101,284.84
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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.