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Finding the Fourth Proportional to 239,396.73, 330,363.92 and 131,964.46

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Solution

The fourth proportional to 239,396.73, 330,363.92 and 131,964.46 is: 182,108.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,396.73 : 330,363.92 = 131,964.46 : x
  2. Step 2: Convert to fraction form
    239,396.73/330,363.92 = 131,964.46/x
  3. Step 3: Cross multiply
    239,396.73x = 330,363.92 × 131,964.46
  4. Step 4: Simplify right side
    239,396.73x = 43,596,295,067.98
  5. Step 5: Solve for x
    x = 43,596,295,067.98/239,396.73
  6. Step 6: Final answer
    x = 182,108.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.