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Finding the Fourth Proportional to 223,138.46, 334,718.45 and 73,375.44

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Solution

The fourth proportional to 223,138.46, 334,718.45 and 73,375.44 is: 110,066.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    223,138.46 : 334,718.45 = 73,375.44 : x
  2. Step 2: Convert to fraction form
    223,138.46/334,718.45 = 73,375.44/x
  3. Step 3: Cross multiply
    223,138.46x = 334,718.45 × 73,375.44
  4. Step 4: Simplify right side
    223,138.46x = 24,560,113,544.87
  5. Step 5: Solve for x
    x = 24,560,113,544.87/223,138.46
  6. Step 6: Final answer
    x = 110,066.70

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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.