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Finding the Fourth Proportional to 71,950.56, 99,299.16 and 43,279.44

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Solution

The fourth proportional to 71,950.56, 99,299.16 and 43,279.44 is: 59,730.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,950.56 : 99,299.16 = 43,279.44 : x
  2. Step 2: Convert to fraction form
    71,950.56/99,299.16 = 43,279.44/x
  3. Step 3: Cross multiply
    71,950.56x = 99,299.16 × 43,279.44
  4. Step 4: Simplify right side
    71,950.56x = 4,297,612,037.27
  5. Step 5: Solve for x
    x = 4,297,612,037.27/71,950.56
  6. Step 6: Final answer
    x = 59,730.07

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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.