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Finding the Fourth Proportional to 194,601.65, 291,900.73 and 61,481.90

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Solution

The fourth proportional to 194,601.65, 291,900.73 and 61,481.90 is: 92,222.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    194,601.65 : 291,900.73 = 61,481.90 : x
  2. Step 2: Convert to fraction form
    194,601.65/291,900.73 = 61,481.90/x
  3. Step 3: Cross multiply
    194,601.65x = 291,900.73 × 61,481.90
  4. Step 4: Simplify right side
    194,601.65x = 17,946,611,491.79
  5. Step 5: Solve for x
    x = 17,946,611,491.79/194,601.65
  6. Step 6: Final answer
    x = 92,222.30

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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.