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Finding the Fourth Proportional to 223,535.20, 335,270.40 and 65,747.20

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Solution

The fourth proportional to 223,535.20, 335,270.40 and 65,747.20 is: 98,611.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,535.20 : 335,270.40 = 65,747.20 : x
  2. Step 2: Convert to fraction form
    223,535.20/335,270.40 = 65,747.20/x
  3. Step 3: Cross multiply
    223,535.20x = 335,270.40 × 65,747.20
  4. Step 4: Simplify right side
    223,535.20x = 22,043,090,042.88
  5. Step 5: Solve for x
    x = 22,043,090,042.88/223,535.20
  6. Step 6: Final answer
    x = 98,611.27

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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.