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Finding the Fourth Proportional to 111,223.60, 166,819.20 and 32,329.60

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Solution

The fourth proportional to 111,223.60, 166,819.20 and 32,329.60 is: 48,489.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,223.60 : 166,819.20 = 32,329.60 : x
  2. Step 2: Convert to fraction form
    111,223.60/166,819.20 = 32,329.60/x
  3. Step 3: Cross multiply
    111,223.60x = 166,819.20 × 32,329.60
  4. Step 4: Simplify right side
    111,223.60x = 5,393,198,008.32
  5. Step 5: Solve for x
    x = 5,393,198,008.32/111,223.60
  6. Step 6: Final answer
    x = 48,489.69

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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.