Finding the Fourth Proportional to 107,259.40, 160,675.26 and 83,775.88
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Solution
The fourth proportional to 107,259.40, 160,675.26 and 83,775.88 is: 125,496.80
Step by Step Solution
- Step 1: Write the proportion equation
107,259.40 : 160,675.26 = 83,775.88 : x - Step 2: Convert to fraction form
107,259.40/160,675.26 = 83,775.88/x - Step 3: Cross multiply
107,259.40x = 160,675.26 × 83,775.88 - Step 4: Simplify right side
107,259.40x = 13,460,711,300.73 - Step 5: Solve for x
x = 13,460,711,300.73/107,259.40 - Step 6: Final answer
x = 125,496.80
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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.