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Finding the Fourth Proportional to 183,993.30, 275,989.95 and 57,634.61

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Solution

The fourth proportional to 183,993.30, 275,989.95 and 57,634.61 is: 86,451.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    183,993.30 : 275,989.95 = 57,634.61 : x
  2. Step 2: Convert to fraction form
    183,993.30/275,989.95 = 57,634.61/x
  3. Step 3: Cross multiply
    183,993.30x = 275,989.95 × 57,634.61
  4. Step 4: Simplify right side
    183,993.30x = 15,906,571,752.22
  5. Step 5: Solve for x
    x = 15,906,571,752.22/183,993.30
  6. Step 6: Final answer
    x = 86,451.91

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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.