Finding the Fourth Proportional to 170,447.95, 235,219.80 and 93,969.84
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Solution
The fourth proportional to 170,447.95, 235,219.80 and 93,969.84 is: 129,679.28
Step by Step Solution
- Step 1: Write the proportion equation
170,447.95 : 235,219.80 = 93,969.84 : x - Step 2: Convert to fraction form
170,447.95/235,219.80 = 93,969.84/x - Step 3: Cross multiply
170,447.95x = 235,219.80 × 93,969.84 - Step 4: Simplify right side
170,447.95x = 22,103,566,353.60 - Step 5: Solve for x
x = 22,103,566,353.60/170,447.95 - Step 6: Final answer
x = 129,679.28
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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.