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Finding the Fourth Proportional to 223,540.40, 335,310.60 and 164,637.20

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Solution

The fourth proportional to 223,540.40, 335,310.60 and 164,637.20 is: 246,955.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,540.40 : 335,310.60 = 164,637.20 : x
  2. Step 2: Convert to fraction form
    223,540.40/335,310.60 = 164,637.20/x
  3. Step 3: Cross multiply
    223,540.40x = 335,310.60 × 164,637.20
  4. Step 4: Simplify right side
    223,540.40x = 55,204,598,314.32
  5. Step 5: Solve for x
    x = 55,204,598,314.32/223,540.40
  6. Step 6: Final answer
    x = 246,955.80

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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.