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Finding the Fourth Proportional to 250,789.73, 376,290.11 and 156,099.11

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Solution

The fourth proportional to 250,789.73, 376,290.11 and 156,099.11 is: 234,214.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,789.73 : 376,290.11 = 156,099.11 : x
  2. Step 2: Convert to fraction form
    250,789.73/376,290.11 = 156,099.11/x
  3. Step 3: Cross multiply
    250,789.73x = 376,290.11 × 156,099.11
  4. Step 4: Simplify right side
    250,789.73x = 58,738,549,781.60
  5. Step 5: Solve for x
    x = 58,738,549,781.60/250,789.73
  6. Step 6: Final answer
    x = 234,214.34

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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.