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Finding the Fourth Proportional to 163,694.44, 225,900.66 and 96,626.44

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Solution

The fourth proportional to 163,694.44, 225,900.66 and 96,626.44 is: 133,345.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    163,694.44 : 225,900.66 = 96,626.44 : x
  2. Step 2: Convert to fraction form
    163,694.44/225,900.66 = 96,626.44/x
  3. Step 3: Cross multiply
    163,694.44x = 225,900.66 × 96,626.44
  4. Step 4: Simplify right side
    163,694.44x = 21,827,976,569.45
  5. Step 5: Solve for x
    x = 21,827,976,569.45/163,694.44
  6. Step 6: Final answer
    x = 133,345.86

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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.