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Finding the Fourth Proportional to 159,796.56, 220,546.08 and 96,140.28

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Solution

The fourth proportional to 159,796.56, 220,546.08 and 96,140.28 is: 132,689.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,796.56 : 220,546.08 = 96,140.28 : x
  2. Step 2: Convert to fraction form
    159,796.56/220,546.08 = 96,140.28/x
  3. Step 3: Cross multiply
    159,796.56x = 220,546.08 × 96,140.28
  4. Step 4: Simplify right side
    159,796.56x = 21,203,361,884.10
  5. Step 5: Solve for x
    x = 21,203,361,884.10/159,796.56
  6. Step 6: Final answer
    x = 132,689.73

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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.