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Finding the Fourth Proportional to 250,380.82, 375,308.78 and 92,508.58

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Solution

The fourth proportional to 250,380.82, 375,308.78 and 92,508.58 is: 138,665.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    250,380.82 : 375,308.78 = 92,508.58 : x
  2. Step 2: Convert to fraction form
    250,380.82/375,308.78 = 92,508.58/x
  3. Step 3: Cross multiply
    250,380.82x = 375,308.78 × 92,508.58
  4. Step 4: Simplify right side
    250,380.82x = 34,719,280,422.79
  5. Step 5: Solve for x
    x = 34,719,280,422.79/250,380.82
  6. Step 6: Final answer
    x = 138,665.90

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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.