Finding the Fourth Proportional to 170,607.84, 235,449.36 and 94,126.56
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Solution
The fourth proportional to 170,607.84, 235,449.36 and 94,126.56 is: 129,900.47
Step by Step Solution
- Step 1: Write the proportion equation
170,607.84 : 235,449.36 = 94,126.56 : x - Step 2: Convert to fraction form
170,607.84/235,449.36 = 94,126.56/x - Step 3: Cross multiply
170,607.84x = 235,449.36 × 94,126.56 - Step 4: Simplify right side
170,607.84x = 22,162,038,311.00 - Step 5: Solve for x
x = 22,162,038,311.00/170,607.84 - Step 6: Final answer
x = 129,900.47
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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.