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Finding the Fourth Proportional to 250,858.40, 376,287.60 and 166,731.80

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Solution

The fourth proportional to 250,858.40, 376,287.60 and 166,731.80 is: 250,097.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,858.40 : 376,287.60 = 166,731.80 : x
  2. Step 2: Convert to fraction form
    250,858.40/376,287.60 = 166,731.80/x
  3. Step 3: Cross multiply
    250,858.40x = 376,287.60 × 166,731.80
  4. Step 4: Simplify right side
    250,858.40x = 62,739,108,865.68
  5. Step 5: Solve for x
    x = 62,739,108,865.68/250,858.40
  6. Step 6: Final answer
    x = 250,097.70

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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.