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Finding the Fourth Proportional to 251,256.40, 376,884.60 and 110,942.80

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Solution

The fourth proportional to 251,256.40, 376,884.60 and 110,942.80 is: 166,414.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,256.40 : 376,884.60 = 110,942.80 : x
  2. Step 2: Convert to fraction form
    251,256.40/376,884.60 = 110,942.80/x
  3. Step 3: Cross multiply
    251,256.40x = 376,884.60 × 110,942.80
  4. Step 4: Simplify right side
    251,256.40x = 41,812,632,800.88
  5. Step 5: Solve for x
    x = 41,812,632,800.88/251,256.40
  6. Step 6: Final answer
    x = 166,414.20

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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.