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Finding the Fourth Proportional to 217,393.56, 325,563.66 and 110,496.36

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Solution

The fourth proportional to 217,393.56, 325,563.66 and 110,496.36 is: 165,476.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,393.56 : 325,563.66 = 110,496.36 : x
  2. Step 2: Convert to fraction form
    217,393.56/325,563.66 = 110,496.36/x
  3. Step 3: Cross multiply
    217,393.56x = 325,563.66 × 110,496.36
  4. Step 4: Simplify right side
    217,393.56x = 35,973,599,378.28
  5. Step 5: Solve for x
    x = 35,973,599,378.28/217,393.56
  6. Step 6: Final answer
    x = 165,476.84

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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.