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Finding the Fourth Proportional to 329,020.92, 454,049.02 and 178,117.92

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Solution

The fourth proportional to 329,020.92, 454,049.02 and 178,117.92 is: 245,802.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    329,020.92 : 454,049.02 = 178,117.92 : x
  2. Step 2: Convert to fraction form
    329,020.92/454,049.02 = 178,117.92/x
  3. Step 3: Cross multiply
    329,020.92x = 454,049.02 × 178,117.92
  4. Step 4: Simplify right side
    329,020.92x = 80,874,267,020.44
  5. Step 5: Solve for x
    x = 80,874,267,020.44/329,020.92
  6. Step 6: Final answer
    x = 245,802.81

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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.