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Finding the Fourth Proportional to 99,469.98, 149,204.88 and 29,343.78

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Solution

The fourth proportional to 99,469.98, 149,204.88 and 29,343.78 is: 44,015.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,469.98 : 149,204.88 = 29,343.78 : x
  2. Step 2: Convert to fraction form
    99,469.98/149,204.88 = 29,343.78/x
  3. Step 3: Cross multiply
    99,469.98x = 149,204.88 × 29,343.78
  4. Step 4: Simplify right side
    99,469.98x = 4,378,235,173.65
  5. Step 5: Solve for x
    x = 4,378,235,173.65/99,469.98
  6. Step 6: Final answer
    x = 44,015.64

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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.