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Finding the Fourth Proportional to 108,295.21, 162,470.49 and 41,717.49

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Solution

The fourth proportional to 108,295.21, 162,470.49 and 41,717.49 is: 62,586.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,295.21 : 162,470.49 = 41,717.49 : x
  2. Step 2: Convert to fraction form
    108,295.21/162,470.49 = 41,717.49/x
  3. Step 3: Cross multiply
    108,295.21x = 162,470.49 × 41,717.49
  4. Step 4: Simplify right side
    108,295.21x = 6,777,861,041.87
  5. Step 5: Solve for x
    x = 6,777,861,041.87/108,295.21
  6. Step 6: Final answer
    x = 62,586.90

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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.