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Finding the Fourth Proportional to 250,930.44, 376,164.68 and 108,686.34

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Solution

The fourth proportional to 250,930.44, 376,164.68 and 108,686.34 is: 162,929.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,930.44 : 376,164.68 = 108,686.34 : x
  2. Step 2: Convert to fraction form
    250,930.44/376,164.68 = 108,686.34/x
  3. Step 3: Cross multiply
    250,930.44x = 376,164.68 × 108,686.34
  4. Step 4: Simplify right side
    250,930.44x = 40,883,961,763.04
  5. Step 5: Solve for x
    x = 40,883,961,763.04/250,930.44
  6. Step 6: Final answer
    x = 162,929.46

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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.