Finding the Fourth Proportional to 122,964.90, 184,447.35 and 116,549.70
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Solution
The fourth proportional to 122,964.90, 184,447.35 and 116,549.70 is: 174,824.55
Step by Step Solution
- Step 1: Write the proportion equation
122,964.90 : 184,447.35 = 116,549.70 : x - Step 2: Convert to fraction form
122,964.90/184,447.35 = 116,549.70/x - Step 3: Cross multiply
122,964.90x = 184,447.35 × 116,549.70 - Step 4: Simplify right side
122,964.90x = 21,497,283,308.30 - Step 5: Solve for x
x = 21,497,283,308.30/122,964.90 - Step 6: Final answer
x = 174,824.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.