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Finding the Fourth Proportional to 302,917.80, 418,009.52 and 166,951.32

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Solution

The fourth proportional to 302,917.80, 418,009.52 and 166,951.32 is: 230,383.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    302,917.80 : 418,009.52 = 166,951.32 : x
  2. Step 2: Convert to fraction form
    302,917.80/418,009.52 = 166,951.32/x
  3. Step 3: Cross multiply
    302,917.80x = 418,009.52 × 166,951.32
  4. Step 4: Simplify right side
    302,917.80x = 69,787,241,136.57
  5. Step 5: Solve for x
    x = 69,787,241,136.57/302,917.80
  6. Step 6: Final answer
    x = 230,383.43

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.