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Finding the Fourth Proportional to 92,716.90, 139,013.90 and 33,544.87

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Solution

The fourth proportional to 92,716.90, 139,013.90 and 33,544.87 is: 50,295.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,716.90 : 139,013.90 = 33,544.87 : x
  2. Step 2: Convert to fraction form
    92,716.90/139,013.90 = 33,544.87/x
  3. Step 3: Cross multiply
    92,716.90x = 139,013.90 × 33,544.87
  4. Step 4: Simplify right side
    92,716.90x = 4,663,203,287.56
  5. Step 5: Solve for x
    x = 4,663,203,287.56/92,716.90
  6. Step 6: Final answer
    x = 50,295.07

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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.