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Finding the Fourth Proportional to 194,758.70, 292,175.91 and 74,806.88

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Solution

The fourth proportional to 194,758.70, 292,175.91 and 74,806.88 is: 112,224.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,758.70 : 292,175.91 = 74,806.88 : x
  2. Step 2: Convert to fraction form
    194,758.70/292,175.91 = 74,806.88/x
  3. Step 3: Cross multiply
    194,758.70x = 292,175.91 × 74,806.88
  4. Step 4: Simplify right side
    194,758.70x = 21,856,766,777.38
  5. Step 5: Solve for x
    x = 21,856,766,777.38/194,758.70
  6. Step 6: Final answer
    x = 112,224.86

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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.