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Finding the Fourth Proportional to 74,667.66, 111,738.26 and 46,600.88

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Solution

The fourth proportional to 74,667.66, 111,738.26 and 46,600.88 is: 69,737.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,667.66 : 111,738.26 = 46,600.88 : x
  2. Step 2: Convert to fraction form
    74,667.66/111,738.26 = 46,600.88/x
  3. Step 3: Cross multiply
    74,667.66x = 111,738.26 × 46,600.88
  4. Step 4: Simplify right side
    74,667.66x = 5,207,100,453.97
  5. Step 5: Solve for x
    x = 5,207,100,453.97/74,667.66
  6. Step 6: Final answer
    x = 69,737.02

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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.