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Finding the Fourth Proportional to 225,518.72, 337,860.48 and 113,067.68

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Solution

The fourth proportional to 225,518.72, 337,860.48 and 113,067.68 is: 169,392.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    225,518.72 : 337,860.48 = 113,067.68 : x
  2. Step 2: Convert to fraction form
    225,518.72/337,860.48 = 113,067.68/x
  3. Step 3: Cross multiply
    225,518.72x = 337,860.48 × 113,067.68
  4. Step 4: Simplify right side
    225,518.72x = 38,201,100,637.29
  5. Step 5: Solve for x
    x = 38,201,100,637.29/225,518.72
  6. Step 6: Final answer
    x = 169,392.15

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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.