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Finding the Fourth Proportional to 133,794.80, 200,522.10 and 54,819.80

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Solution

The fourth proportional to 133,794.80, 200,522.10 and 54,819.80 is: 82,160.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,794.80 : 200,522.10 = 54,819.80 : x
  2. Step 2: Convert to fraction form
    133,794.80/200,522.10 = 54,819.80/x
  3. Step 3: Cross multiply
    133,794.80x = 200,522.10 × 54,819.80
  4. Step 4: Simplify right side
    133,794.80x = 10,992,581,417.58
  5. Step 5: Solve for x
    x = 10,992,581,417.58/133,794.80
  6. Step 6: Final answer
    x = 82,160.00

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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.