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Finding the Fourth Proportional to 133,226.70, 199,840.05 and 71,018.70

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Solution

The fourth proportional to 133,226.70, 199,840.05 and 71,018.70 is: 106,528.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,226.70 : 199,840.05 = 71,018.70 : x
  2. Step 2: Convert to fraction form
    133,226.70/199,840.05 = 71,018.70/x
  3. Step 3: Cross multiply
    133,226.70x = 199,840.05 × 71,018.70
  4. Step 4: Simplify right side
    133,226.70x = 14,192,380,558.94
  5. Step 5: Solve for x
    x = 14,192,380,558.94/133,226.70
  6. Step 6: Final answer
    x = 106,528.05

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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.