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Finding the Fourth Proportional to 223,469.24, 335,203.04 and 90,347.88

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Solution

The fourth proportional to 223,469.24, 335,203.04 and 90,347.88 is: 135,521.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,469.24 : 335,203.04 = 90,347.88 : x
  2. Step 2: Convert to fraction form
    223,469.24/335,203.04 = 90,347.88/x
  3. Step 3: Cross multiply
    223,469.24x = 335,203.04 × 90,347.88
  4. Step 4: Simplify right side
    223,469.24x = 30,284,884,033.56
  5. Step 5: Solve for x
    x = 30,284,884,033.56/223,469.24
  6. Step 6: Final answer
    x = 135,521.49

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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.