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Finding the Fourth Proportional to 77,958.60, 116,752.23 and 49,791.39

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Solution

The fourth proportional to 77,958.60, 116,752.23 and 49,791.39 is: 74,568.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,958.60 : 116,752.23 = 49,791.39 : x
  2. Step 2: Convert to fraction form
    77,958.60/116,752.23 = 49,791.39/x
  3. Step 3: Cross multiply
    77,958.60x = 116,752.23 × 49,791.39
  4. Step 4: Simplify right side
    77,958.60x = 5,813,255,817.30
  5. Step 5: Solve for x
    x = 5,813,255,817.30/77,958.60
  6. Step 6: Final answer
    x = 74,568.50

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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.