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Finding the Fourth Proportional to 217,335.06, 325,974.84 and 84,124.17

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Solution

The fourth proportional to 217,335.06, 325,974.84 and 84,124.17 is: 126,175.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,335.06 : 325,974.84 = 84,124.17 : x
  2. Step 2: Convert to fraction form
    217,335.06/325,974.84 = 84,124.17/x
  3. Step 3: Cross multiply
    217,335.06x = 325,974.84 × 84,124.17
  4. Step 4: Simplify right side
    217,335.06x = 27,422,362,855.88
  5. Step 5: Solve for x
    x = 27,422,362,855.88/217,335.06
  6. Step 6: Final answer
    x = 126,175.51

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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.