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Finding the Fourth Proportional to 110,722.80, 166,084.20 and 100,225.20

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Solution

The fourth proportional to 110,722.80, 166,084.20 and 100,225.20 is: 150,337.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,722.80 : 166,084.20 = 100,225.20 : x
  2. Step 2: Convert to fraction form
    110,722.80/166,084.20 = 100,225.20/x
  3. Step 3: Cross multiply
    110,722.80x = 166,084.20 × 100,225.20
  4. Step 4: Simplify right side
    110,722.80x = 16,645,822,161.84
  5. Step 5: Solve for x
    x = 16,645,822,161.84/110,722.80
  6. Step 6: Final answer
    x = 150,337.80

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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.