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Finding the Fourth Proportional to 67,576.25, 101,380.90 and 47,624.67

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Solution

The fourth proportional to 67,576.25, 101,380.90 and 47,624.67 is: 71,448.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,576.25 : 101,380.90 = 47,624.67 : x
  2. Step 2: Convert to fraction form
    67,576.25/101,380.90 = 47,624.67/x
  3. Step 3: Cross multiply
    67,576.25x = 101,380.90 × 47,624.67
  4. Step 4: Simplify right side
    67,576.25x = 4,828,231,712.88
  5. Step 5: Solve for x
    x = 4,828,231,712.88/67,576.25
  6. Step 6: Final answer
    x = 71,448.65

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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.