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Finding the Fourth Proportional to 204,753.60, 307,130.40 and 133,894.80

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Solution

The fourth proportional to 204,753.60, 307,130.40 and 133,894.80 is: 200,842.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    204,753.60 : 307,130.40 = 133,894.80 : x
  2. Step 2: Convert to fraction form
    204,753.60/307,130.40 = 133,894.80/x
  3. Step 3: Cross multiply
    204,753.60x = 307,130.40 × 133,894.80
  4. Step 4: Simplify right side
    204,753.60x = 41,123,163,481.92
  5. Step 5: Solve for x
    x = 41,123,163,481.92/204,753.60
  6. Step 6: Final answer
    x = 200,842.20

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1.5x scale

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.