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Finding the Fourth Proportional to 161,082.52, 241,706.69 and 66,382.67

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Solution

The fourth proportional to 161,082.52, 241,706.69 and 66,382.67 is: 99,608.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    161,082.52 : 241,706.69 = 66,382.67 : x
  2. Step 2: Convert to fraction form
    161,082.52/241,706.69 = 66,382.67/x
  3. Step 3: Cross multiply
    161,082.52x = 241,706.69 × 66,382.67
  4. Step 4: Simplify right side
    161,082.52x = 16,045,135,107.15
  5. Step 5: Solve for x
    x = 16,045,135,107.15/161,082.52
  6. Step 6: Final answer
    x = 99,608.17

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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.