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Finding the Fourth Proportional to 71,042.87, 106,419.42 and 44,301.33

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Solution

The fourth proportional to 71,042.87, 106,419.42 and 44,301.33 is: 66,361.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,042.87 : 106,419.42 = 44,301.33 : x
  2. Step 2: Convert to fraction form
    71,042.87/106,419.42 = 44,301.33/x
  3. Step 3: Cross multiply
    71,042.87x = 106,419.42 × 44,301.33
  4. Step 4: Simplify right side
    71,042.87x = 4,714,521,843.83
  5. Step 5: Solve for x
    x = 4,714,521,843.83/71,042.87
  6. Step 6: Final answer
    x = 66,361.64

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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.