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Finding the Fourth Proportional to 244,889.20, 337,981.20 and 136,018

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Solution

The fourth proportional to 244,889.20, 337,981.20 and 136,018 is: 187,723.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    244,889.20 : 337,981.20 = 136,018 : x
  2. Step 2: Convert to fraction form
    244,889.20/337,981.20 = 136,018/x
  3. Step 3: Cross multiply
    244,889.20x = 337,981.20 × 136,018
  4. Step 4: Simplify right side
    244,889.20x = 45,971,526,861.60
  5. Step 5: Solve for x
    x = 45,971,526,861.60/244,889.20
  6. Step 6: Final answer
    x = 187,723.78

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.