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Finding the Fourth Proportional to 99,695, 149,542.46 and 29,573.70

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Solution

The fourth proportional to 99,695, 149,542.46 and 29,573.70 is: 44,360.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,695 : 149,542.46 = 29,573.70 : x
  2. Step 2: Convert to fraction form
    99,695/149,542.46 = 29,573.70/x
  3. Step 3: Cross multiply
    99,695x = 149,542.46 × 29,573.70
  4. Step 4: Simplify right side
    99,695x = 4,422,523,849.30
  5. Step 5: Solve for x
    x = 4,422,523,849.30/99,695
  6. Step 6: Final answer
    x = 44,360.54

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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.