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Finding the Fourth Proportional to 95,660.99, 143,469.57 and 28,175.57

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Solution

The fourth proportional to 95,660.99, 143,469.57 and 28,175.57 is: 42,256.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,660.99 : 143,469.57 = 28,175.57 : x
  2. Step 2: Convert to fraction form
    95,660.99/143,469.57 = 28,175.57/x
  3. Step 3: Cross multiply
    95,660.99x = 143,469.57 × 28,175.57
  4. Step 4: Simplify right side
    95,660.99x = 4,042,336,912.40
  5. Step 5: Solve for x
    x = 4,042,336,912.40/95,660.99
  6. Step 6: Final answer
    x = 42,256.90

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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.