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Finding the Fourth Proportional to 223,610.40, 335,221.20 and 134,769.60

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Solution

The fourth proportional to 223,610.40, 335,221.20 and 134,769.60 is: 202,037.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,610.40 : 335,221.20 = 134,769.60 : x
  2. Step 2: Convert to fraction form
    223,610.40/335,221.20 = 134,769.60/x
  3. Step 3: Cross multiply
    223,610.40x = 335,221.20 × 134,769.60
  4. Step 4: Simplify right side
    223,610.40x = 45,177,627,035.52
  5. Step 5: Solve for x
    x = 45,177,627,035.52/223,610.40
  6. Step 6: Final answer
    x = 202,037.24

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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.