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Finding the Fourth Proportional to 220,365.45, 330,165.45 and 101,793.60

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Solution

The fourth proportional to 220,365.45, 330,165.45 and 101,793.60 is: 152,513.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,365.45 : 330,165.45 = 101,793.60 : x
  2. Step 2: Convert to fraction form
    220,365.45/330,165.45 = 101,793.60/x
  3. Step 3: Cross multiply
    220,365.45x = 330,165.45 × 101,793.60
  4. Step 4: Simplify right side
    220,365.45x = 33,608,729,751.12
  5. Step 5: Solve for x
    x = 33,608,729,751.12/220,365.45
  6. Step 6: Final answer
    x = 152,513.61

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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.