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Finding the Fourth Proportional to 95,672.92, 143,520.90 and 31,633.24

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Solution

The fourth proportional to 95,672.92, 143,520.90 and 31,633.24 is: 47,453.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,672.92 : 143,520.90 = 31,633.24 : x
  2. Step 2: Convert to fraction form
    95,672.92/143,520.90 = 31,633.24/x
  3. Step 3: Cross multiply
    95,672.92x = 143,520.90 × 31,633.24
  4. Step 4: Simplify right side
    95,672.92x = 4,540,031,074.72
  5. Step 5: Solve for x
    x = 4,540,031,074.72/95,672.92
  6. Step 6: Final answer
    x = 47,453.67

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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.