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Finding the Fourth Proportional to 159,579.60, 239,455.80 and 70,846.80

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Solution

The fourth proportional to 159,579.60, 239,455.80 and 70,846.80 is: 106,308.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,579.60 : 239,455.80 = 70,846.80 : x
  2. Step 2: Convert to fraction form
    159,579.60/239,455.80 = 70,846.80/x
  3. Step 3: Cross multiply
    159,579.60x = 239,455.80 × 70,846.80
  4. Step 4: Simplify right side
    159,579.60x = 16,964,677,171.44
  5. Step 5: Solve for x
    x = 16,964,677,171.44/159,579.60
  6. Step 6: Final answer
    x = 106,308.56

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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.