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Finding the Fourth Proportional to 132,710.46, 199,099.41 and 39,216.21

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Solution

The fourth proportional to 132,710.46, 199,099.41 and 39,216.21 is: 58,834.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    132,710.46 : 199,099.41 = 39,216.21 : x
  2. Step 2: Convert to fraction form
    132,710.46/199,099.41 = 39,216.21/x
  3. Step 3: Cross multiply
    132,710.46x = 199,099.41 × 39,216.21
  4. Step 4: Simplify right side
    132,710.46x = 7,807,924,273.44
  5. Step 5: Solve for x
    x = 7,807,924,273.44/132,710.46
  6. Step 6: Final answer
    x = 58,834.28

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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.