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Finding the Fourth Proportional to 66,849.74, 100,277.69 and 27,379.19

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Solution

The fourth proportional to 66,849.74, 100,277.69 and 27,379.19 is: 41,070.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,849.74 : 100,277.69 = 27,379.19 : x
  2. Step 2: Convert to fraction form
    66,849.74/100,277.69 = 27,379.19/x
  3. Step 3: Cross multiply
    66,849.74x = 100,277.69 × 27,379.19
  4. Step 4: Simplify right side
    66,849.74x = 2,745,521,288.99
  5. Step 5: Solve for x
    x = 2,745,521,288.99/66,849.74
  6. Step 6: Final answer
    x = 41,070.04

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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.