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Finding the Fourth Proportional to 163,213.29, 244,623.02 and 84,284.37

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Solution

The fourth proportional to 163,213.29, 244,623.02 and 84,284.37 is: 126,324.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,213.29 : 244,623.02 = 84,284.37 : x
  2. Step 2: Convert to fraction form
    163,213.29/244,623.02 = 84,284.37/x
  3. Step 3: Cross multiply
    163,213.29x = 244,623.02 × 84,284.37
  4. Step 4: Simplify right side
    163,213.29x = 20,617,896,706.78
  5. Step 5: Solve for x
    x = 20,617,896,706.78/163,213.29
  6. Step 6: Final answer
    x = 126,324.86

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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.