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Finding the Fourth Proportional to 198,340.84, 273,710.82 and 108,922.60

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Solution

The fourth proportional to 198,340.84, 273,710.82 and 108,922.60 is: 150,313.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    198,340.84 : 273,710.82 = 108,922.60 : x
  2. Step 2: Convert to fraction form
    198,340.84/273,710.82 = 108,922.60/x
  3. Step 3: Cross multiply
    198,340.84x = 273,710.82 × 108,922.60
  4. Step 4: Simplify right side
    198,340.84x = 29,813,294,162.53
  5. Step 5: Solve for x
    x = 29,813,294,162.53/198,340.84
  6. Step 6: Final answer
    x = 150,313.44

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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.