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Finding the Fourth Proportional to 106,392.96, 159,528.96 and 44,029.44

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Solution

The fourth proportional to 106,392.96, 159,528.96 and 44,029.44 is: 66,019.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,392.96 : 159,528.96 = 44,029.44 : x
  2. Step 2: Convert to fraction form
    106,392.96/159,528.96 = 44,029.44/x
  3. Step 3: Cross multiply
    106,392.96x = 159,528.96 × 44,029.44
  4. Step 4: Simplify right side
    106,392.96x = 7,023,970,772.58
  5. Step 5: Solve for x
    x = 7,023,970,772.58/106,392.96
  6. Step 6: Final answer
    x = 66,019.13

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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.