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Finding the Fourth Proportional to 136,018.60, 204,027.90 and 82,796.20

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Solution

The fourth proportional to 136,018.60, 204,027.90 and 82,796.20 is: 124,194.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    136,018.60 : 204,027.90 = 82,796.20 : x
  2. Step 2: Convert to fraction form
    136,018.60/204,027.90 = 82,796.20/x
  3. Step 3: Cross multiply
    136,018.60x = 204,027.90 × 82,796.20
  4. Step 4: Simplify right side
    136,018.60x = 16,892,734,813.98
  5. Step 5: Solve for x
    x = 16,892,734,813.98/136,018.60
  6. Step 6: Final answer
    x = 124,194.30

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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.