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Finding the Fourth Proportional to 239,223, 330,142.86 and 131,793.24

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Solution

The fourth proportional to 239,223, 330,142.86 and 131,793.24 is: 181,883.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,223 : 330,142.86 = 131,793.24 : x
  2. Step 2: Convert to fraction form
    239,223/330,142.86 = 131,793.24/x
  3. Step 3: Cross multiply
    239,223x = 330,142.86 × 131,793.24
  4. Step 4: Simplify right side
    239,223x = 43,510,597,182.27
  5. Step 5: Solve for x
    x = 43,510,597,182.27/239,223
  6. Step 6: Final answer
    x = 181,883.00

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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.