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Finding the Fourth Proportional to 159,698.56, 220,404.48 and 132,794.80

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Solution

The fourth proportional to 159,698.56, 220,404.48 and 132,794.80 is: 183,273.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,698.56 : 220,404.48 = 132,794.80 : x
  2. Step 2: Convert to fraction form
    159,698.56/220,404.48 = 132,794.80/x
  3. Step 3: Cross multiply
    159,698.56x = 220,404.48 × 132,794.80
  4. Step 4: Simplify right side
    159,698.56x = 29,268,568,840.70
  5. Step 5: Solve for x
    x = 29,268,568,840.70/159,698.56
  6. Step 6: Final answer
    x = 183,273.84

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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.