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Finding the Fourth Proportional to 223,490.88, 335,246.78 and 73,744.25

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Solution

The fourth proportional to 223,490.88, 335,246.78 and 73,744.25 is: 110,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,490.88 : 335,246.78 = 73,744.25 : x
  2. Step 2: Convert to fraction form
    223,490.88/335,246.78 = 73,744.25/x
  3. Step 3: Cross multiply
    223,490.88x = 335,246.78 × 73,744.25
  4. Step 4: Simplify right side
    223,490.88x = 24,722,520,864.14
  5. Step 5: Solve for x
    x = 24,722,520,864.14/223,490.88
  6. Step 6: Final answer
    x = 110,619.82

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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.