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Finding the Fourth Proportional to 131,878.59, 197,794.92 and 37,086.24

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Solution

The fourth proportional to 131,878.59, 197,794.92 and 37,086.24 is: 55,622.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    131,878.59 : 197,794.92 = 37,086.24 : x
  2. Step 2: Convert to fraction form
    131,878.59/197,794.92 = 37,086.24/x
  3. Step 3: Cross multiply
    131,878.59x = 197,794.92 × 37,086.24
  4. Step 4: Simplify right side
    131,878.59x = 7,335,469,873.90
  5. Step 5: Solve for x
    x = 7,335,469,873.90/131,878.59
  6. Step 6: Final answer
    x = 55,622.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.