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Finding the Fourth Proportional to 251,872.60, 377,808.90 and 194,791.90

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Solution

The fourth proportional to 251,872.60, 377,808.90 and 194,791.90 is: 292,187.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,872.60 : 377,808.90 = 194,791.90 : x
  2. Step 2: Convert to fraction form
    251,872.60/377,808.90 = 194,791.90/x
  3. Step 3: Cross multiply
    251,872.60x = 377,808.90 × 194,791.90
  4. Step 4: Simplify right side
    251,872.60x = 73,594,113,467.91
  5. Step 5: Solve for x
    x = 73,594,113,467.91/251,872.60
  6. Step 6: Final answer
    x = 292,187.85

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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.