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Finding the Fourth Proportional to 239,792.65, 330,913.91 and 132,362.71

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Solution

The fourth proportional to 239,792.65, 330,913.91 and 132,362.71 is: 182,660.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    239,792.65 : 330,913.91 = 132,362.71 : x
  2. Step 2: Convert to fraction form
    239,792.65/330,913.91 = 132,362.71/x
  3. Step 3: Cross multiply
    239,792.65x = 330,913.91 × 132,362.71
  4. Step 4: Simplify right side
    239,792.65x = 43,800,661,904.30
  5. Step 5: Solve for x
    x = 43,800,661,904.30/239,792.65
  6. Step 6: Final answer
    x = 182,660.57

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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.