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Finding the Fourth Proportional to 223,712.74, 335,568.75 and 153,378.82

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Solution

The fourth proportional to 223,712.74, 335,568.75 and 153,378.82 is: 230,067.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,712.74 : 335,568.75 = 153,378.82 : x
  2. Step 2: Convert to fraction form
    223,712.74/335,568.75 = 153,378.82/x
  3. Step 3: Cross multiply
    223,712.74x = 335,568.75 × 153,378.82
  4. Step 4: Simplify right side
    223,712.74x = 51,469,138,903.88
  5. Step 5: Solve for x
    x = 51,469,138,903.88/223,712.74
  6. Step 6: Final answer
    x = 230,067.98

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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.