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Finding the Fourth Proportional to 133,712.79, 200,569.50 and 33,873

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Solution

The fourth proportional to 133,712.79, 200,569.50 and 33,873 is: 50,809.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,712.79 : 200,569.50 = 33,873 : x
  2. Step 2: Convert to fraction form
    133,712.79/200,569.50 = 33,873/x
  3. Step 3: Cross multiply
    133,712.79x = 200,569.50 × 33,873
  4. Step 4: Simplify right side
    133,712.79x = 6,793,890,673.50
  5. Step 5: Solve for x
    x = 6,793,890,673.50/133,712.79
  6. Step 6: Final answer
    x = 50,809.58

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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.