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Finding the Fourth Proportional to 116,524.92, 160,739.46 and 80,735.88

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Solution

The fourth proportional to 116,524.92, 160,739.46 and 80,735.88 is: 111,370.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    116,524.92 : 160,739.46 = 80,735.88 : x
  2. Step 2: Convert to fraction form
    116,524.92/160,739.46 = 80,735.88/x
  3. Step 3: Cross multiply
    116,524.92x = 160,739.46 × 80,735.88
  4. Step 4: Simplify right side
    116,524.92x = 12,977,441,753.82
  5. Step 5: Solve for x
    x = 12,977,441,753.82/116,524.92
  6. Step 6: Final answer
    x = 111,370.53

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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.