Finding the Fourth Proportional to 127,845.06, 176,418.99 and 70,482.48
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Solution
The fourth proportional to 127,845.06, 176,418.99 and 70,482.48 is: 97,261.86
Step by Step Solution
- Step 1: Write the proportion equation
127,845.06 : 176,418.99 = 70,482.48 : x - Step 2: Convert to fraction form
127,845.06/176,418.99 = 70,482.48/x - Step 3: Cross multiply
127,845.06x = 176,418.99 × 70,482.48 - Step 4: Simplify right side
127,845.06x = 12,434,447,934.30 - Step 5: Solve for x
x = 12,434,447,934.30/127,845.06 - Step 6: Final answer
x = 97,261.86
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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.