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Finding the Fourth Proportional to 117,645.52, 162,351.81 and 63,930.58

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Solution

The fourth proportional to 117,645.52, 162,351.81 and 63,930.58 is: 88,224.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,645.52 : 162,351.81 = 63,930.58 : x
  2. Step 2: Convert to fraction form
    117,645.52/162,351.81 = 63,930.58/x
  3. Step 3: Cross multiply
    117,645.52x = 162,351.81 × 63,930.58
  4. Step 4: Simplify right side
    117,645.52x = 10,379,245,377.35
  5. Step 5: Solve for x
    x = 10,379,245,377.35/117,645.52
  6. Step 6: Final answer
    x = 88,224.74

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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.