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Finding the Fourth Proportional to 119,576.02, 165,022.39 and 65,861.02

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Solution

The fourth proportional to 119,576.02, 165,022.39 and 65,861.02 is: 90,892.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,576.02 : 165,022.39 = 65,861.02 : x
  2. Step 2: Convert to fraction form
    119,576.02/165,022.39 = 65,861.02/x
  3. Step 3: Cross multiply
    119,576.02x = 165,022.39 × 65,861.02
  4. Step 4: Simplify right side
    119,576.02x = 10,868,542,928.24
  5. Step 5: Solve for x
    x = 10,868,542,928.24/119,576.02
  6. Step 6: Final answer
    x = 90,892.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.