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Finding the Fourth Proportional to 132,801.76, 199,241.66 and 39,309.92

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Solution

The fourth proportional to 132,801.76, 199,241.66 and 39,309.92 is: 58,976.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,801.76 : 199,241.66 = 39,309.92 : x
  2. Step 2: Convert to fraction form
    132,801.76/199,241.66 = 39,309.92/x
  3. Step 3: Cross multiply
    132,801.76x = 199,241.66 × 39,309.92
  4. Step 4: Simplify right side
    132,801.76x = 7,832,173,715.27
  5. Step 5: Solve for x
    x = 7,832,173,715.27/132,801.76
  6. Step 6: Final answer
    x = 58,976.43

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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.