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Finding the Fourth Proportional to 123,206.65, 184,891.98 and 67,060.89

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Solution

The fourth proportional to 123,206.65, 184,891.98 and 67,060.89 is: 100,635.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,206.65 : 184,891.98 = 67,060.89 : x
  2. Step 2: Convert to fraction form
    123,206.65/184,891.98 = 67,060.89/x
  3. Step 3: Cross multiply
    123,206.65x = 184,891.98 × 67,060.89
  4. Step 4: Simplify right side
    123,206.65x = 12,399,020,732.66
  5. Step 5: Solve for x
    x = 12,399,020,732.66/123,206.65
  6. Step 6: Final answer
    x = 100,635.97

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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.