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Finding the Fourth Proportional to 132,757.58, 199,093.31 and 43,987.25

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Solution

The fourth proportional to 132,757.58, 199,093.31 and 43,987.25 is: 65,966.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,757.58 : 199,093.31 = 43,987.25 : x
  2. Step 2: Convert to fraction form
    132,757.58/199,093.31 = 43,987.25/x
  3. Step 3: Cross multiply
    132,757.58x = 199,093.31 × 43,987.25
  4. Step 4: Simplify right side
    132,757.58x = 8,757,566,980.36
  5. Step 5: Solve for x
    x = 8,757,566,980.36/132,757.58
  6. Step 6: Final answer
    x = 65,966.61

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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.