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Finding the Fourth Proportional to 220,670.70, 330,665.85 and 164,246.10

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Solution

The fourth proportional to 220,670.70, 330,665.85 and 164,246.10 is: 246,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    220,670.70 : 330,665.85 = 164,246.10 : x
  2. Step 2: Convert to fraction form
    220,670.70/330,665.85 = 164,246.10/x
  3. Step 3: Cross multiply
    220,670.70x = 330,665.85 × 164,246.10
  4. Step 4: Simplify right side
    220,670.70x = 54,310,576,265.69
  5. Step 5: Solve for x
    x = 54,310,576,265.69/220,670.70
  6. Step 6: Final answer
    x = 246,115.94

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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.