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Finding the Fourth Proportional to 194,758.84, 292,170.54 and 68,366.30

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Solution

The fourth proportional to 194,758.84, 292,170.54 and 68,366.30 is: 102,560.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,758.84 : 292,170.54 = 68,366.30 : x
  2. Step 2: Convert to fraction form
    194,758.84/292,170.54 = 68,366.30/x
  3. Step 3: Cross multiply
    194,758.84x = 292,170.54 × 68,366.30
  4. Step 4: Simplify right side
    194,758.84x = 19,974,618,788.80
  5. Step 5: Solve for x
    x = 19,974,618,788.80/194,758.84
  6. Step 6: Final answer
    x = 102,560.78

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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.