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Finding the Fourth Proportional to 132,889.76, 199,368.30 and 44,143.72

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Solution

The fourth proportional to 132,889.76, 199,368.30 and 44,143.72 is: 66,226.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,889.76 : 199,368.30 = 44,143.72 : x
  2. Step 2: Convert to fraction form
    132,889.76/199,368.30 = 44,143.72/x
  3. Step 3: Cross multiply
    132,889.76x = 199,368.30 × 44,143.72
  4. Step 4: Simplify right side
    132,889.76x = 8,800,858,412.08
  5. Step 5: Solve for x
    x = 8,800,858,412.08/132,889.76
  6. Step 6: Final answer
    x = 66,226.76

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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.