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Finding the Fourth Proportional to 133,736.60, 200,604.90 and 129,848.60

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Solution

The fourth proportional to 133,736.60, 200,604.90 and 129,848.60 is: 194,772.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,736.60 : 200,604.90 = 129,848.60 : x
  2. Step 2: Convert to fraction form
    133,736.60/200,604.90 = 129,848.60/x
  3. Step 3: Cross multiply
    133,736.60x = 200,604.90 × 129,848.60
  4. Step 4: Simplify right side
    133,736.60x = 26,048,265,418.14
  5. Step 5: Solve for x
    x = 26,048,265,418.14/133,736.60
  6. Step 6: Final answer
    x = 194,772.90

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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.