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Finding the Fourth Proportional to 133,660.70, 200,491.05 and 82,922.30

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Solution

The fourth proportional to 133,660.70, 200,491.05 and 82,922.30 is: 124,383.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,660.70 : 200,491.05 = 82,922.30 : x
  2. Step 2: Convert to fraction form
    133,660.70/200,491.05 = 82,922.30/x
  3. Step 3: Cross multiply
    133,660.70x = 200,491.05 × 82,922.30
  4. Step 4: Simplify right side
    133,660.70x = 16,625,178,995.42
  5. Step 5: Solve for x
    x = 16,625,178,995.42/133,660.70
  6. Step 6: Final answer
    x = 124,383.45

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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.