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Finding the Fourth Proportional to 252,227.57, 348,076.42 and 139,054.37

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Solution

The fourth proportional to 252,227.57, 348,076.42 and 139,054.37 is: 191,896.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    252,227.57 : 348,076.42 = 139,054.37 : x
  2. Step 2: Convert to fraction form
    252,227.57/348,076.42 = 139,054.37/x
  3. Step 3: Cross multiply
    252,227.57x = 348,076.42 × 139,054.37
  4. Step 4: Simplify right side
    252,227.57x = 48,401,545,206.94
  5. Step 5: Solve for x
    x = 48,401,545,206.94/252,227.57
  6. Step 6: Final answer
    x = 191,896.33

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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.