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Finding the Fourth Proportional to 250,247.97, 375,392.43 and 72,754.76

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Solution

The fourth proportional to 250,247.97, 375,392.43 and 72,754.76 is: 109,138.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,247.97 : 375,392.43 = 72,754.76 : x
  2. Step 2: Convert to fraction form
    250,247.97/375,392.43 = 72,754.76/x
  3. Step 3: Cross multiply
    250,247.97x = 375,392.43 × 72,754.76
  4. Step 4: Simplify right side
    250,247.97x = 27,311,584,273.50
  5. Step 5: Solve for x
    x = 27,311,584,273.50/250,247.97
  6. Step 6: Final answer
    x = 109,138.09

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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.