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Finding the Fourth Proportional to 251,796.60, 377,694.90 and 194,715.90

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Solution

The fourth proportional to 251,796.60, 377,694.90 and 194,715.90 is: 292,073.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    251,796.60 : 377,694.90 = 194,715.90 : x
  2. Step 2: Convert to fraction form
    251,796.60/377,694.90 = 194,715.90/x
  3. Step 3: Cross multiply
    251,796.60x = 377,694.90 × 194,715.90
  4. Step 4: Simplify right side
    251,796.60x = 73,543,202,378.91
  5. Step 5: Solve for x
    x = 73,543,202,378.91/251,796.60
  6. Step 6: Final answer
    x = 292,073.85

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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.