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Finding the Fourth Proportional to 67,369.69, 101,059.68 and 39,292.56

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Solution

The fourth proportional to 67,369.69, 101,059.68 and 39,292.56 is: 58,941.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,369.69 : 101,059.68 = 39,292.56 : x
  2. Step 2: Convert to fraction form
    67,369.69/101,059.68 = 39,292.56/x
  3. Step 3: Cross multiply
    67,369.69x = 101,059.68 × 39,292.56
  4. Step 4: Simplify right side
    67,369.69x = 3,970,893,687.33
  5. Step 5: Solve for x
    x = 3,970,893,687.33/67,369.69
  6. Step 6: Final answer
    x = 58,941.84

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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.