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Finding the Fourth Proportional to 250,247.72, 375,392.06 and 72,754.51

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Solution

The fourth proportional to 250,247.72, 375,392.06 and 72,754.51 is: 109,137.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,247.72 : 375,392.06 = 72,754.51 : x
  2. Step 2: Convert to fraction form
    250,247.72/375,392.06 = 72,754.51/x
  3. Step 3: Cross multiply
    250,247.72x = 375,392.06 × 72,754.51
  4. Step 4: Simplify right side
    250,247.72x = 27,311,463,142.46
  5. Step 5: Solve for x
    x = 27,311,463,142.46/250,247.72
  6. Step 6: Final answer
    x = 109,137.71

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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.