Finding the Fourth Proportional to 168,755.88, 232,887.78 and 93,307.08
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Solution
The fourth proportional to 168,755.88, 232,887.78 and 93,307.08 is: 128,766.35
Step by Step Solution
- Step 1: Write the proportion equation
168,755.88 : 232,887.78 = 93,307.08 : x - Step 2: Convert to fraction form
168,755.88/232,887.78 = 93,307.08/x - Step 3: Cross multiply
168,755.88x = 232,887.78 × 93,307.08 - Step 4: Simplify right side
168,755.88x = 21,730,078,719.48 - Step 5: Solve for x
x = 21,730,078,719.48/168,755.88 - Step 6: Final answer
x = 128,766.35
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1.5x scale
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.