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Finding the Fourth Proportional to 223,138.84, 334,719.02 and 73,375.81

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Solution

The fourth proportional to 223,138.84, 334,719.02 and 73,375.81 is: 110,067.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,138.84 : 334,719.02 = 73,375.81 : x
  2. Step 2: Convert to fraction form
    223,138.84/334,719.02 = 73,375.81/x
  3. Step 3: Cross multiply
    223,138.84x = 334,719.02 × 73,375.81
  4. Step 4: Simplify right side
    223,138.84x = 24,560,278,011.23
  5. Step 5: Solve for x
    x = 24,560,278,011.23/223,138.84
  6. Step 6: Final answer
    x = 110,067.25

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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.