Finding the Fourth Proportional to 113,515.23, 156,652.10 and 62,528.18
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Solution
The fourth proportional to 113,515.23, 156,652.10 and 62,528.18 is: 86,289.48
Step by Step Solution
- Step 1: Write the proportion equation
113,515.23 : 156,652.10 = 62,528.18 : x - Step 2: Convert to fraction form
113,515.23/156,652.10 = 62,528.18/x - Step 3: Cross multiply
113,515.23x = 156,652.10 × 62,528.18 - Step 4: Simplify right side
113,515.23x = 9,795,170,079.24 - Step 5: Solve for x
x = 9,795,170,079.24/113,515.23 - Step 6: Final answer
x = 86,289.48
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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.