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Finding the Fourth Proportional to 239,601.92, 330,659.52 and 132,176

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Solution

The fourth proportional to 239,601.92, 330,659.52 and 132,176 is: 182,407.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,601.92 : 330,659.52 = 132,176 : x
  2. Step 2: Convert to fraction form
    239,601.92/330,659.52 = 132,176/x
  3. Step 3: Cross multiply
    239,601.92x = 330,659.52 × 132,176
  4. Step 4: Simplify right side
    239,601.92x = 43,705,252,715.52
  5. Step 5: Solve for x
    x = 43,705,252,715.52/239,601.92
  6. Step 6: Final answer
    x = 182,407.77

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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.