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Finding the Fourth Proportional to 237,819.60, 356,729.40 and 71,607.60

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Solution

The fourth proportional to 237,819.60, 356,729.40 and 71,607.60 is: 107,411.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    237,819.60 : 356,729.40 = 71,607.60 : x
  2. Step 2: Convert to fraction form
    237,819.60/356,729.40 = 71,607.60/x
  3. Step 3: Cross multiply
    237,819.60x = 356,729.40 × 71,607.60
  4. Step 4: Simplify right side
    237,819.60x = 25,544,536,183.44
  5. Step 5: Solve for x
    x = 25,544,536,183.44/237,819.60
  6. Step 6: Final answer
    x = 107,411.40

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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.