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Finding the Fourth Proportional to 132,969.40, 199,410.90 and 44,207.80

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Solution

The fourth proportional to 132,969.40, 199,410.90 and 44,207.80 is: 66,297.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,969.40 : 199,410.90 = 44,207.80 : x
  2. Step 2: Convert to fraction form
    132,969.40/199,410.90 = 44,207.80/x
  3. Step 3: Cross multiply
    132,969.40x = 199,410.90 × 44,207.80
  4. Step 4: Simplify right side
    132,969.40x = 8,815,517,185.02
  5. Step 5: Solve for x
    x = 8,815,517,185.02/132,969.40
  6. Step 6: Final answer
    x = 66,297.34

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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.