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Finding the Fourth Proportional to 250,508.36, 345,544.67 and 164,471.78

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Solution

The fourth proportional to 250,508.36, 345,544.67 and 164,471.78 is: 226,868.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,508.36 : 345,544.67 = 164,471.78 : x
  2. Step 2: Convert to fraction form
    250,508.36/345,544.67 = 164,471.78/x
  3. Step 3: Cross multiply
    250,508.36x = 345,544.67 × 164,471.78
  4. Step 4: Simplify right side
    250,508.36x = 56,832,344,394.33
  5. Step 5: Solve for x
    x = 56,832,344,394.33/250,508.36
  6. Step 6: Final answer
    x = 226,868.06

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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.