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Finding the Fourth Proportional to 163,072.44, 225,042.26 and 98,532.72

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Solution

The fourth proportional to 163,072.44, 225,042.26 and 98,532.72 is: 135,976.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,072.44 : 225,042.26 = 98,532.72 : x
  2. Step 2: Convert to fraction form
    163,072.44/225,042.26 = 98,532.72/x
  3. Step 3: Cross multiply
    163,072.44x = 225,042.26 × 98,532.72
  4. Step 4: Simplify right side
    163,072.44x = 22,174,025,500.08
  5. Step 5: Solve for x
    x = 22,174,025,500.08/163,072.44
  6. Step 6: Final answer
    x = 135,976.54

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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.