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Finding the Fourth Proportional to 179,614.70, 269,454.45 and 90,644.30

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Solution

The fourth proportional to 179,614.70, 269,454.45 and 90,644.30 is: 135,982.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    179,614.70 : 269,454.45 = 90,644.30 : x
  2. Step 2: Convert to fraction form
    179,614.70/269,454.45 = 90,644.30/x
  3. Step 3: Cross multiply
    179,614.70x = 269,454.45 × 90,644.30
  4. Step 4: Simplify right side
    179,614.70x = 24,424,510,002.14
  5. Step 5: Solve for x
    x = 24,424,510,002.14/179,614.70
  6. Step 6: Final answer
    x = 135,982.80

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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.