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Finding the Fourth Proportional to 167,863.72, 231,622.50 and 100,797.16

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Solution

The fourth proportional to 167,863.72, 231,622.50 and 100,797.16 is: 139,082.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    167,863.72 : 231,622.50 = 100,797.16 : x
  2. Step 2: Convert to fraction form
    167,863.72/231,622.50 = 100,797.16/x
  3. Step 3: Cross multiply
    167,863.72x = 231,622.50 × 100,797.16
  4. Step 4: Simplify right side
    167,863.72x = 23,346,890,192.10
  5. Step 5: Solve for x
    x = 23,346,890,192.10/167,863.72
  6. Step 6: Final answer
    x = 139,082.41

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1.5x scale

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.