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Finding the Fourth Proportional to 164,632.71, 247,286.57 and 108,553.71

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Solution

The fourth proportional to 164,632.71, 247,286.57 and 108,553.71 is: 163,053.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    164,632.71 : 247,286.57 = 108,553.71 : x
  2. Step 2: Convert to fraction form
    164,632.71/247,286.57 = 108,553.71/x
  3. Step 3: Cross multiply
    164,632.71x = 247,286.57 × 108,553.71
  4. Step 4: Simplify right side
    164,632.71x = 26,843,874,063.91
  5. Step 5: Solve for x
    x = 26,843,874,063.91/164,632.71
  6. Step 6: Final answer
    x = 163,053.10

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.