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Finding the Fourth Proportional to 99,794.80, 149,659.80 and 33,223.60

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Solution

The fourth proportional to 99,794.80, 149,659.80 and 33,223.60 is: 49,824.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,794.80 : 149,659.80 = 33,223.60 : x
  2. Step 2: Convert to fraction form
    99,794.80/149,659.80 = 33,223.60/x
  3. Step 3: Cross multiply
    99,794.80x = 149,659.80 × 33,223.60
  4. Step 4: Simplify right side
    99,794.80x = 4,972,237,331.28
  5. Step 5: Solve for x
    x = 4,972,237,331.28/99,794.80
  6. Step 6: Final answer
    x = 49,824.61

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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.