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Finding the Fourth Proportional to 250,093.50, 375,199.92 and 81,614.14

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Solution

The fourth proportional to 250,093.50, 375,199.92 and 81,614.14 is: 122,440.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,093.50 : 375,199.92 = 81,614.14 : x
  2. Step 2: Convert to fraction form
    250,093.50/375,199.92 = 81,614.14/x
  3. Step 3: Cross multiply
    250,093.50x = 375,199.92 × 81,614.14
  4. Step 4: Simplify right side
    250,093.50x = 30,621,617,860.87
  5. Step 5: Solve for x
    x = 30,621,617,860.87/250,093.50
  6. Step 6: Final answer
    x = 122,440.68

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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.