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Finding the Fourth Proportional to 199,187.84, 274,875.60 and 108,544.56

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Solution

The fourth proportional to 199,187.84, 274,875.60 and 108,544.56 is: 149,789.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    199,187.84 : 274,875.60 = 108,544.56 : x
  2. Step 2: Convert to fraction form
    199,187.84/274,875.60 = 108,544.56/x
  3. Step 3: Cross multiply
    199,187.84x = 274,875.60 × 108,544.56
  4. Step 4: Simplify right side
    199,187.84x = 29,836,251,056.74
  5. Step 5: Solve for x
    x = 29,836,251,056.74/199,187.84
  6. Step 6: Final answer
    x = 149,789.52

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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.