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Finding the Fourth Proportional to 159,858.73, 239,760.82 and 53,230.58

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Solution

The fourth proportional to 159,858.73, 239,760.82 and 53,230.58 is: 79,836.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    159,858.73 : 239,760.82 = 53,230.58 : x
  2. Step 2: Convert to fraction form
    159,858.73/239,760.82 = 53,230.58/x
  3. Step 3: Cross multiply
    159,858.73x = 239,760.82 × 53,230.58
  4. Step 4: Simplify right side
    159,858.73x = 12,762,607,509.88
  5. Step 5: Solve for x
    x = 12,762,607,509.88/159,858.73
  6. Step 6: Final answer
    x = 79,836.79

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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.