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Finding the Fourth Proportional to 79,325.40, 118,859.46 and 41,883.48

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Solution

The fourth proportional to 79,325.40, 118,859.46 and 41,883.48 is: 62,757.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,325.40 : 118,859.46 = 41,883.48 : x
  2. Step 2: Convert to fraction form
    79,325.40/118,859.46 = 41,883.48/x
  3. Step 3: Cross multiply
    79,325.40x = 118,859.46 × 41,883.48
  4. Step 4: Simplify right side
    79,325.40x = 4,978,247,815.72
  5. Step 5: Solve for x
    x = 4,978,247,815.72/79,325.40
  6. Step 6: Final answer
    x = 62,757.30

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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.