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Finding the Fourth Proportional to 236,082.21, 325,793.43 and 128,652.21

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Solution

The fourth proportional to 236,082.21, 325,793.43 and 128,652.21 is: 177,540.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    236,082.21 : 325,793.43 = 128,652.21 : x
  2. Step 2: Convert to fraction form
    236,082.21/325,793.43 = 128,652.21/x
  3. Step 3: Cross multiply
    236,082.21x = 325,793.43 × 128,652.21
  4. Step 4: Simplify right side
    236,082.21x = 41,914,044,772.98
  5. Step 5: Solve for x
    x = 41,914,044,772.98/236,082.21
  6. Step 6: Final answer
    x = 177,540.04

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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.