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Finding the Fourth Proportional to 95,993.70, 143,878.41 and 72,224.88

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Solution

The fourth proportional to 95,993.70, 143,878.41 and 72,224.88 is: 108,252.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,993.70 : 143,878.41 = 72,224.88 : x
  2. Step 2: Convert to fraction form
    95,993.70/143,878.41 = 72,224.88/x
  3. Step 3: Cross multiply
    95,993.70x = 143,878.41 × 72,224.88
  4. Step 4: Simplify right side
    95,993.70x = 10,391,600,896.84
  5. Step 5: Solve for x
    x = 10,391,600,896.84/95,993.70
  6. Step 6: Final answer
    x = 108,252.95

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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.