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Finding the Fourth Proportional to 203,753.80, 281,200.98 and 118,865.80

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Solution

The fourth proportional to 203,753.80, 281,200.98 and 118,865.80 is: 164,046.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    203,753.80 : 281,200.98 = 118,865.80 : x
  2. Step 2: Convert to fraction form
    203,753.80/281,200.98 = 118,865.80/x
  3. Step 3: Cross multiply
    203,753.80x = 281,200.98 × 118,865.80
  4. Step 4: Simplify right side
    203,753.80x = 33,425,179,448.48
  5. Step 5: Solve for x
    x = 33,425,179,448.48/203,753.80
  6. Step 6: Final answer
    x = 164,046.90

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1.5x scale

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.