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Finding the Fourth Proportional to 124,990.97, 187,447.83 and 36,251

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Solution

The fourth proportional to 124,990.97, 187,447.83 and 36,251 is: 54,365.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,990.97 : 187,447.83 = 36,251 : x
  2. Step 2: Convert to fraction form
    124,990.97/187,447.83 = 36,251/x
  3. Step 3: Cross multiply
    124,990.97x = 187,447.83 × 36,251
  4. Step 4: Simplify right side
    124,990.97x = 6,795,171,285.33
  5. Step 5: Solve for x
    x = 6,795,171,285.33/124,990.97
  6. Step 6: Final answer
    x = 54,365.30

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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.